Solve Determinants in 10 Seconds | IIT JEE Short Cuts & Tricks | JEE Main 2022 | Score Quick Marks

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  • เผยแพร่เมื่อ 9 ก.พ. 2025
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ความคิดเห็น • 1K

  • @rishabhsingh8899
    @rishabhsingh8899 3 ปีที่แล้ว +990

    This trick helped me gain 4 marks in my JEE exam ....Thankyou MathanGo

    • @charan9102
      @charan9102 3 ปีที่แล้ว +23

      Really did it work?

    • @OnePunchMan_O
      @OnePunchMan_O 2 ปีที่แล้ว +38

      Tell us the full story , I'll tell
      You get only 4 marks 😂😂

    • @harshparekh7648
      @harshparekh7648 2 ปีที่แล้ว +12

      If you are/were preparing for jee then you must have known this.
      It is very common

    • @Handle42639
      @Handle42639 7 หลายเดือนก่อน +1

      ​​@@harshparekh7648True.It's the obvious trick😮‍💨.

  • @RamPandey-x8j
    @RamPandey-x8j หลายเดือนก่อน +55

    sir now : full formal 🗿 🗿
    sir then : full casual🥰🥰

  • @dsharma4520
    @dsharma4520 5 ปีที่แล้ว +851

    Superb sir i was thinking of attempting determinants at last as it was time consuming hats off

    • @DeadlyPandya
      @DeadlyPandya 5 ปีที่แล้ว +23

      I was thinking attempting u first but now I will attempt u later 😂

    • @hrishavratan8275
      @hrishavratan8275 4 ปีที่แล้ว

      @@DeadlyPandya Abey saaley 😂😂

    • @DeadlyPandya
      @DeadlyPandya 4 ปีที่แล้ว

      @@hrishavratan8275 🤣🤣🤣

    • @Pikachu-bp1cb
      @Pikachu-bp1cb 4 ปีที่แล้ว +1

      Bhai,ho gya kya aapka
      Asking genuinely

    • @moneym4kers
      @moneym4kers 4 ปีที่แล้ว +2

      Sin'2 60 equals root 3 by 2 then if you square it becomes 3/4 not 9/4.

  • @dhruvil8
    @dhruvil8 5 ปีที่แล้ว +2494

    This is like cheating in front of everyone 😃

  • @sahilrajput1330
    @sahilrajput1330 4 ปีที่แล้ว +57

    Sir I'm very sad when I saw your first video is upload 6 year ago ... You work hard n hard from past 6 year with such a best content on jee . I think you deserve more n more ... Last I only say thankyou sir for helping us

    • @karubonara_
      @karubonara_ 16 วันที่ผ่านมา

      What are you doing now brother?

  • @thephilosopherwhojoked4249
    @thephilosopherwhojoked4249 4 ปีที่แล้ว +480

    It's my first time watching a video on this channel, and I must say I'm impressed. Kudos to the team!

    • @vinitagupta4760
      @vinitagupta4760 4 ปีที่แล้ว +22

      Pretty useless trick because usually this type of easy sums never come in exam they used to come before 2018. Nowadays you cannot assume values using options that easily. So guys don't waste time on this video and study properties of determinants and matrices thoroughly.

    • @viveksuryawanshi3467
      @viveksuryawanshi3467 4 ปีที่แล้ว +11

      @@vinitagupta4760 i think u haven't solved previous year papers

    • @gurwinderkaur1501
      @gurwinderkaur1501 4 ปีที่แล้ว +7

      @@vinitagupta4760 yes kindoff , you cannot solve jee mains 3rd September morning shift determinant question with this trick of substituting x=1. It depends upon the question but your concepts must be clear.

    • @thesmartone6601
      @thesmartone6601 3 ปีที่แล้ว +2

      @@vinitagupta4760 You are absolutely right

    • @jee-lysis233
      @jee-lysis233 2 ปีที่แล้ว +1

      @@vinitagupta4760 these are pyqs only ,

  • @adityabawne9191
    @adityabawne9191 3 ปีที่แล้ว +65

    This is really insane..😂🔥🙌🏻
    I never thought that, this type of questions would be a piece of cake..

  • @adityazilpe5200
    @adityazilpe5200 4 ปีที่แล้ว +348

    Who is watching this for jee 2021

  • @JatinKumar-sb6ds
    @JatinKumar-sb6ds 4 ปีที่แล้ว +270

    4 tricks of the 5 were those which I usually use in my exam.
    But it was a great video coz I came to know about 1 more trick.
    Thankyou sir

    • @harshitrepswal
      @harshitrepswal 2 ปีที่แล้ว +2

      Lls tell me about those tricks

    • @heeeei42
      @heeeei42 8 หลายเดือนก่อน

      💀💀​@@harshitrepswal

  • @aasthachopra7769
    @aasthachopra7769 4 ปีที่แล้ว +7

    I am actually watching this video on christmas 2020. These tricks were surely a present.

  • @smashrushreesenapati3050
    @smashrushreesenapati3050 4 ปีที่แล้ว +20

    The best video i have ever seen for maths in youtube 🙏🏻🙏🏻 ,
    Thank u for uploading this type of videos,we want more 🤞🤞🤞🏻

  • @satyajitdas1631
    @satyajitdas1631 10 หลายเดือนก่อน +41

    What if nta is also watching this

    • @aashasureshb4635
      @aashasureshb4635 6 หลายเดือนก่อน

      😂

    • @Samiumoxide
      @Samiumoxide 5 หลายเดือนก่อน

      @@aashasureshb4635 vo phir bhi ghatiya paper hi banayega.....

    • @Siddharth-uq1fz
      @Siddharth-uq1fz 15 วันที่ผ่านมา

      ☠️

  • @vaibhavdasgupta638
    @vaibhavdasgupta638 5 ปีที่แล้ว +73

    I would have given it a 100 likes if I could. Thanks for the awesome piece sir 🙏🙏🙏

  • @rahulshukla2615
    @rahulshukla2615 4 ปีที่แล้ว +264

    The only problem is that my competitors are also watching it.....btw thanks sir 😎

    • @Pikachu-bp1cb
      @Pikachu-bp1cb 4 ปีที่แล้ว +4

      😂😂lol

    • @krishnajha3947
      @krishnajha3947 3 ปีที่แล้ว +2

      😅🤔😅😅

    • @godeagle1136
      @godeagle1136 3 ปีที่แล้ว +46

      😂😂 cmon bro. lets build india together not by competition

    • @Sykoraz
      @Sykoraz 3 ปีที่แล้ว +1

      Beware then 😂😂

    • @laxmanravada6174
      @laxmanravada6174 3 ปีที่แล้ว +3

      @@godeagle1136 great

  • @amritesh4973
    @amritesh4973 4 ปีที่แล้ว +6

    No words to say thank you to you. Hats off to you sir.

  • @muqsit81
    @muqsit81 2 ปีที่แล้ว +2

    Sir aapne to confidence boost kar diya dhanyawad guruji

  • @raghuramdharipally276
    @raghuramdharipally276 4 ปีที่แล้ว +4

    super intelligent brilliant amazing smart
    thank u bro because of u I got 232 out of 300 marks in my entrance test of an institution

  • @Unknown-np3sk
    @Unknown-np3sk 3 ปีที่แล้ว +30

    When tomorrow is your exams not even 2x speed is speed for you..!
    Am I right 😂

    • @shivanshsinghrajput5326
      @shivanshsinghrajput5326 2 ปีที่แล้ว +4

      If youtube permits then you would understand at even 4x speed a day before your exam

  • @pratikgoutamshetty8288
    @pratikgoutamshetty8288 4 ปีที่แล้ว +10

    EXCELLENT SIR I HAD NEVER SEEN SUCH AN EXTREMELY TALENTED TRICK. I APPRECIATE YOUR ADVICE AND TRICKS ALSO

  • @keshavkumar7833
    @keshavkumar7833 3 ปีที่แล้ว +36

    Sir , because of you people today a child cannot say that I haven't crack IIT , NIT , IIIT because of financial problem
    And this is the real benifit of digital india👍👍👍👍🇮🇳🇮🇳

  • @AyushYadav-st4kr
    @AyushYadav-st4kr ปีที่แล้ว +5

    Literally man,its just like cheating but examiner can't do anything😂😂😂😂😂😂😅❤❤❤🎉❤❤❤🎉❤ loved it man thank you soo much!

  • @yashvardhangupta7028
    @yashvardhangupta7028 2 ปีที่แล้ว +1

    peheli trick dekhte hi,majjjaaaaaaaaaaaaa aa gya,sahi aspect mai,i was stuggling with it

  • @sreyaskishore3331
    @sreyaskishore3331 4 ปีที่แล้ว +35

    I just wasted more than 2 mins for solving this kind of questions last week ,if you tube had recommended me before a week it can save lot of my time😭😭😭

  • @nishibaghel8029
    @nishibaghel8029 2 ปีที่แล้ว +2

    It's just Fantastic mann!!! Thanq u sir.. You have save my lot of time . 👍

  • @sanskar993
    @sanskar993 5 ปีที่แล้ว +17

    Sir please more such "Solve in 10 sec" videos.
    Such tricks are really very much helpful in these last days🙏🙏🙏

  • @kaustubhborkhade7680
    @kaustubhborkhade7680 5 ปีที่แล้ว +324

    sir these tricks are easy to watch after or before the exam but during the real exam when u have 4 marks at stake, kuch bhi assume karne se pehle darr lagta hai sir.

    • @belligerentapj3685
      @belligerentapj3685 4 ปีที่แล้ว +16

      Darr agar laga to kuch ho nahin payega

    • @rahuzcraftz4141
      @rahuzcraftz4141 4 ปีที่แล้ว +42

      You just have to try this with a lot of mock tests..

    • @belligerentapj3685
      @belligerentapj3685 4 ปีที่แล้ว +24

      @@hassanali-yi4bu actually darr lagna chahiye.. darr to keh nahin sakte.. ek force jo aapko roke tricks apply karne se pehle.. kyonki tricks universal nahin hote.. trick ke applicable cases pe agar knowledge na ho.. to har jagah pe use karne se ans galat aa sakta hai

    • @godson200
      @godson200 4 ปีที่แล้ว +12

      Dost you should go for maximum marks in an exam like jee.. And this is what no teacher tells you... There is a pyramidal structure in ranking and it is more favorable to get higher marks... So, if you know basic maths, if you attempted 10-15 question with these tricks and out of them 8 were correct and 7 were wrong, then you get +32-7= 25 marks... You were planning on not attempting the questions, which I have seen my friends who work way harder than me do... So, if you think I am speaking bs, just take 2 mock tests, in 1 mock test attempt it your way and in the other just complete the paper, that is attempt all 75 questions, then you will see the difference in the marks... I dont know why people feel pressure while sitting in an exam hall...

    • @sashrikgupta9708
      @sashrikgupta9708 4 ปีที่แล้ว +1

      You actually need to develop experience kuki ek baar aise karne pe mere bhi mark gaye the mock test me par experience ke saath samajh aajata hai

  • @delx3723
    @delx3723 5 ปีที่แล้ว +30

    200+ iq solutions.
    Great out of the box thinking sir.

  • @poornimasingh3499
    @poornimasingh3499 4 ปีที่แล้ว +1

    Superb mtlb superb😌😌😌

  • @anshikatank3033
    @anshikatank3033 2 ปีที่แล้ว +3

    sir you are reallyyyyy awesome...... I was searching this type of video and today I found it...... thankyou so much sir..

  • @kumardipak3552
    @kumardipak3552 5 ปีที่แล้ว +108

    Sir we want thish type of video on each topic pls sir .....

    • @NileshKumar81020
      @NileshKumar81020 3 ปีที่แล้ว +7

      Har topic pe aisa ho hi nahi sakta

  • @rakeshsharma-on1ok
    @rakeshsharma-on1ok 5 ปีที่แล้ว +66

    Please continue this session, after Jee, because there is exam named Nimcet- a pure math based exam. Your videos can help a lot of students who is preparing for the same

  • @ajitpawar3445
    @ajitpawar3445 2 ปีที่แล้ว +2

    Bhaut bhaut thank you sirji aapki wajh se mera nda ka exam nikaal gaya
    Thank you so much

  • @kshitizsrivastava9429
    @kshitizsrivastava9429 2 ปีที่แล้ว +3

    Really man this can boost my scores,😭😭😭❤️❤️❤️❤️❤️❤️

  • @atharvgrg
    @atharvgrg 2 ปีที่แล้ว +1

    literally the most underrated channel!

  • @akshatsharma3081
    @akshatsharma3081 4 ปีที่แล้ว +13

    Watching this 2 days before mains

  • @princeroy4046
    @princeroy4046 4 ปีที่แล้ว +8

    Sir you just opened my mind thank you so much

  • @hiranshkhanna3092
    @hiranshkhanna3092 5 ปีที่แล้ว +16

    Another best channel... this tym for maths after physicswallah

  • @Anjali-nk9ei
    @Anjali-nk9ei 5 ปีที่แล้ว +112

    Sir MATRICES me adj transpose etc ki ek quick video by taking all qsn of jee main please try to make 🙂🙂
    Thnks for this one 💛

    • @joonmoon7535
      @joonmoon7535 5 ปีที่แล้ว +1

      Dude transpose is in matrices👍

    • @AnuragSingh-nb3dh
      @AnuragSingh-nb3dh 4 ปีที่แล้ว +1

      Mehnat karo agar sir video bana bhi de help nai hoga

    • @belligerentapj3685
      @belligerentapj3685 4 ปีที่แล้ว +1

      Bhai adjoint ka sach mein kuch nahin ho sakta..

    • @RachanaAgarwal-t1e
      @RachanaAgarwal-t1e 3 ปีที่แล้ว +1

      Adjoint 3*3 ka nikalna hi padta tha h 2*2 ka diagnol ko interchange karto aur non diagnol ka sign replacement

  • @adityarajvermaa
    @adityarajvermaa 4 ปีที่แล้ว +10

    Kya. ...yarr...yt recommends this 2 me after 7 months..,amazing tricks ..m gonna apply in 2020 jee paper😎😎

    • @GaRRy_88
      @GaRRy_88 4 ปีที่แล้ว

      Kiya use?

  • @daizzstars
    @daizzstars 2 ปีที่แล้ว +2

    I was clapping hands by the end of the class. Thankyou Sire!!!

  • @harsh_vishwakarma5976
    @harsh_vishwakarma5976 4 ปีที่แล้ว +5

    ur vdo literally Improved my performance

  • @hifigaming8852
    @hifigaming8852 หลายเดือนก่อน +1

    this trick are logical and helpful but always you know the right method also

  • @harshpandey4037
    @harshpandey4037 5 ปีที่แล้ว +4

    Please ye shortcut video series continue rakhiega...
    🙏🙏🙏🙏🙏🙏

  • @thelegendsofbaihatacharial8222
    @thelegendsofbaihatacharial8222 3 ปีที่แล้ว +1

    Best math teacher in youtube

  • @devanshverma3232
    @devanshverma3232 4 ปีที่แล้ว +7

    Watching this one day before my JEE Exam. Thank you sir for these tricks.

  • @hasnainalfarabi6420
    @hasnainalfarabi6420 2 ปีที่แล้ว +1

    From Bangladesh
    Thanks a lot sir🥰🥰

  • @ananya9249
    @ananya9249 2 ปีที่แล้ว +7

    I loved the concept how you easily picked concept and made everything so easy in seconds :-)

  • @AKGAMING-mx2zm
    @AKGAMING-mx2zm 4 ปีที่แล้ว +1

    Really fantastic sir

  • @chiragmaini9564
    @chiragmaini9564 5 ปีที่แล้ว +3

    Anup sir ki trick aur dhoni sir ka helicopter man krta baar baar dekhta hi jauuu...dekhta hi jauu

  • @harshalsaraf7240
    @harshalsaraf7240 3 ปีที่แล้ว +1

    Sir your trick is best 🔥🔥🔥🔥

  • @abhisheksharma4048
    @abhisheksharma4048 2 ปีที่แล้ว +3

    Thank you sir for this outstanding method to solve determinants.
    I always used to fear from determinant questions while doing PYQs but after this I practiced questions and felt good to go for jee mains exam

  • @Rajukumar-cs2sw
    @Rajukumar-cs2sw 4 ปีที่แล้ว

    अरे कतई जहर दिल जीत लिया..👌

  • @raymonsharma7493
    @raymonsharma7493 4 ปีที่แล้ว +14

    i was having a difficulty in matrices and determinants
    Thank you so much sir
    i am so grateful

  • @joyadrathbarman8850
    @joyadrathbarman8850 5 ปีที่แล้ว +1

    Sir bahut accha triks hain.determinant ka dor jo tha wo nikal gaya.

  • @gungupta7395
    @gungupta7395 5 ปีที่แล้ว +16

    Sir ,please make a video on probability 10 second trick and permutation and combination also

  • @shuvojitsamanta
    @shuvojitsamanta 3 ปีที่แล้ว

    this the best shortcut i have ever seen .superb sir

  • @rishabhmishra4953
    @rishabhmishra4953 4 ปีที่แล้ว +12

    Thank you sir, your tricks help me a lot to crack any questions in determinant.

  • @RajbirSinghchahal0
    @RajbirSinghchahal0 2 ปีที่แล้ว +2

    If I could I would have liked video 100 times 😇😇☺️☺️😊🥰

  • @tanishqsharma7886
    @tanishqsharma7886 3 ปีที่แล้ว +5

    Really time saving tricks sir. Thank you

  • @SatyaPrakash-re3ss
    @SatyaPrakash-re3ss 5 ปีที่แล้ว +1

    Sir ...Dil khus ho gya dekh ke

  • @meghagupta556
    @meghagupta556 ปีที่แล้ว +3

    3:40 answer a option 24

    • @Invalid-user69
      @Invalid-user69 ปีที่แล้ว +1

      Galat hai , calculation mistake hai, P=0 aaega

    • @harshitrajput3566
      @harshitrajput3566 ปีที่แล้ว +1

      ​@@Invalid-user69p=24 aayega bhai

  • @devasaiteja4705
    @devasaiteja4705 4 ปีที่แล้ว +1

    Thank u sir for ur simplest trick

  • @bhadvaDIDAS
    @bhadvaDIDAS 2 ปีที่แล้ว +40

    hello sir, I am from Gujarat. In the recent exams of GUJCET (Gujarat Common Entrance Test) the question 6:26 was asked. Thank fully I have watched your all 10 seconds series video I answered it correctly !!

    • @hit-7624
      @hit-7624 2 ปีที่แล้ว +2

      Jee didhi?

  • @sumaiyakulsum7622
    @sumaiyakulsum7622 4 ปีที่แล้ว +2

    Seriously mind blowing.... I think 🤔 this is what a ranker perform in exam

  • @MDSadiq-jc7hb
    @MDSadiq-jc7hb 4 ปีที่แล้ว +25

    Neha mam of vedantu is keeping standard results as her own shortcuts but u are odd than others u have ur own tricks may u bless by more subscribers

  • @kirmani3766
    @kirmani3766 4 ปีที่แล้ว +2

    Thanks sir..i wana give up😭😭😭..but u give me hope that i can do

  • @shashwatkhobragade6375
    @shashwatkhobragade6375 4 ปีที่แล้ว +91

    This Is The Jackpot Video For Marks
    Best Mentor, Teacher, Inspiration,....
    "Kisi ne roka toh nhi hai Hume"🤣🤣
    Sirrr Jiiiii
    That Moment when You said "Maine tumko 16 marks de diye"
    I got My biggest smile ever🤩🤩

  • @bennyteresa954
    @bennyteresa954 3 ปีที่แล้ว

    Why schools cant teach this tricks...thank u so much sir

  • @ambersingh9505
    @ambersingh9505 5 ปีที่แล้ว +4

    Your videos r really helpful I must say they are worth time

  • @mridul4804
    @mridul4804 3 ปีที่แล้ว +2

    I have just got impressed by this single video.

    • @teesta761
      @teesta761 3 ปีที่แล้ว

      Aren't we all?😄

  • @educatewithkabir3169
    @educatewithkabir3169 ปีที่แล้ว +3

    I have understood whole determinant in just 30 seconds,😆😆😆,thankyou mathongo❤❤

  • @Anuragsingh-fi2rw
    @Anuragsingh-fi2rw 3 ปีที่แล้ว

    Whhh sir kya baat hai maja he aa gya in first video I get impressed and fan also😲😲😲😲😲😲😲😲😲😲😲😲😲😲😲😲

  • @isroabi5452
    @isroabi5452 3 ปีที่แล้ว +5

    that 2014 question took me hours and i still didnt do it😂 but now i can thank you very much😄

  • @r2hbestscene717
    @r2hbestscene717 3 ปีที่แล้ว

    Sir mauj kraa dii whhh ap to bade heavy teacher ho shukriyaa

  • @atharvagore1155
    @atharvagore1155 4 ปีที่แล้ว +54

    Who are seeing this for JEE MAINS 2022😂😂

    • @Roanak572
      @Roanak572 3 ปีที่แล้ว +4

      🙋‍♂

  • @godeagle1136
    @godeagle1136 3 ปีที่แล้ว

    kitna baar deklu dil har smai kehta hai wah wah wah. its the besttt

  • @ShubhamSaraf30
    @ShubhamSaraf30 5 ปีที่แล้ว +11

    This is extremely helpful thank you

  • @kartik_123
    @kartik_123 3 ปีที่แล้ว

    Just wow thank you very much determinants se dar lagta tha 😀

  • @adityasehra3174
    @adityasehra3174 4 ปีที่แล้ว +7

    I wish i could have seen this before todays jee 😭😭😭😭 i could get 8 more marks

  • @TrishalMishra
    @TrishalMishra 9 หลายเดือนก่อน +1

    Oohoo🤣😂🙉my god , I can really solve this under 10 second, thank you 😂😊 🙇🏻‍♂️ u r the real hack 💀

  • @mr.potato5095
    @mr.potato5095 3 ปีที่แล้ว +3

    Ye sab tricks subconsciously pata hoti hai bas exam time me kabhi kabhi yaad nahi aati...But anyways, thanks for the revision 😁👍

    • @matrix4437
      @matrix4437 3 ปีที่แล้ว

      But why did he add 1 sometimes and subtract 1 sometimes? Plz explain me the last answer sometimes he added 2² with 1 and sometimes he subtracted 2³ with 1 plz explain.

  • @AyushSingh-em2il
    @AyushSingh-em2il 3 ปีที่แล้ว +2

    It's just fabulous I've tried all those questions before and they took a lot of time and here those questions are a piece of cake ......

  • @vrushalibhanare9230
    @vrushalibhanare9230 3 ปีที่แล้ว +9

    Watching these video before my coaching exam 😂 thanks sir 😄😄

  • @sumankumarupadhyay3966
    @sumankumarupadhyay3966 3 ปีที่แล้ว

    Isme kuchh trick hm question krne me use krte the, thanku sir aaise video aur bnate rhiyega for jee main 2022,🙏🙏

  • @Push940
    @Push940 2 ปีที่แล้ว +3

    Mind-blowing tricks hat's off to you sir ❤️

  • @pardipchodhari9877
    @pardipchodhari9877 4 ปีที่แล้ว +1

    Very thankful 🙏💯 sir

  • @hiteshsingh1922
    @hiteshsingh1922 4 ปีที่แล้ว +3

    Sir sare chapter k liye bna do tricks

  • @nipunrajeev6163
    @nipunrajeev6163 4 ปีที่แล้ว +1

    Superb tricks sir plz make more vdos like this ❤️❤️❤️❤️❤️❤️❤️

  • @joonmoon7535
    @joonmoon7535 5 ปีที่แล้ว +6

    Mind blowing, sir it was very very unique you have taught something do bcoz in today's time all other TH-cam channels are teaching other tough things. Thank 🙏💕

  • @priyaranjanrout777
    @priyaranjanrout777 2 ปีที่แล้ว +1

    sirrrrrrrrrrr you are opppp 🙏🙏🙏🙏🙏🙏🙏👍👍👍👍👍👍✌✌✌✌✌✌

  • @yuvrajmoran492
    @yuvrajmoran492 4 ปีที่แล้ว +2

    😮😮😮sir 4 marks confirm as I have my jee tommorow thnq so much❣️❣️

    • @utkarshraj1745
      @utkarshraj1745 4 ปีที่แล้ว

      I am from future of your exam, were u able to do that in past, in your exam, pls tell???

  • @AbeerDudhekar
    @AbeerDudhekar 4 หลายเดือนก่อน +1

    This lecture helped me a lot... Thanks Sir

  • @shivakumar6208
    @shivakumar6208 2 ปีที่แล้ว +3

    @4:35
    The question explained here was appeared recently in jee Mains :::2022
    But this question was already taught by sir bedore two years ag0 🔥🔥🔥
    Hair manthango

  • @sakshamgoyal3751
    @sakshamgoyal3751 4 หลายเดือนก่อน

    Simply killed it . Just Amazed.

  • @belligerentapj3685
    @belligerentapj3685 4 ปีที่แล้ว +8

    The second question is actually conditional (which every question is.. but that was even more).. If it would have been a different expression of variable then u need to change the value of n you put accordingly.. what if you put n=1 and get the determinant= 1.. you can't say A or D for sure..
    So every question has its own conditions and one needs to be exceedingly observant to do any q fast

    • @downz6703
      @downz6703 4 ปีที่แล้ว

      BELLIGERENT APJ u r incorrect. Answer will be 0 for any value of n

    • @belligerentapj3685
      @belligerentapj3685 4 ปีที่แล้ว

      @@downz6703 u didn't get my point.. in this specific question, the value of n is immaterial.. And taking n=1 will only make things easier.. I'm trying to say that.. in any other determinant, with the first column with some different expression of r but options remaining the same, u may put n=1 and arrive at answer 1.. then if u r in a hurry, u may choose 1.. And "n" might be the correct ans..

    • @belligerentapj3685
      @belligerentapj3685 4 ปีที่แล้ว

      Bcz u had taken n=1.. And determinant came out to be 1..
      So it might be 1 for if it's 1 for all values of n..
      Or might be n for n was taken to be 1

    • @belligerentapj3685
      @belligerentapj3685 4 ปีที่แล้ว +1

      I just want to say that, one has to be extremely vigil, and be aware of loopholes in questions and whether or not any trivial case can be put..
      Equilateral triangles, taking specific values, checking sum of only certain terms to find general expression of sum, there are plenty of such hacks..
      But they are hacks bcz they are not applicable in every q, and in an attempt to destroy the q, one may lose time in an inconsequential hack

    • @downz6703
      @downz6703 4 ปีที่แล้ว

      BELLIGERENT APJ I would like to give u a tip bro. When u get infinite series u should always check for n=2. But if it is not infinite series it can work for mostly all questions unless term is becoming infinite or zero

  • @sushantmaheshwari6041
    @sushantmaheshwari6041 5 ปีที่แล้ว +2

    Last question is really beautiful concept of multiplication of determinants if you solve it using the 'full' approach

  • @NitishKumar-qn7cj
    @NitishKumar-qn7cj 3 ปีที่แล้ว +5

    Above excellent, beneficial for studend have lot of maths fear, I recommend every student should go for 10 sec master work. 5 ⭐

  • @vallurivenkateswararao2851
    @vallurivenkateswararao2851 3 ปีที่แล้ว +2

    1 or 0 is our super hero💯

  • @Nishal-b5w
    @Nishal-b5w ปีที่แล้ว +6

    Jee 2024❤

  • @vilasinikc280
    @vilasinikc280 5 ปีที่แล้ว +1

    Awesome sir