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sir at 51:12 there is a simpler way that to split 2a + 39d into (a+19d) + (a+20d)=a²⁰ + a²¹ = 0therefore, a²⁰ = -a²¹Hence to get Sn max we have to take Sn only till 20 as after that it becomes negative as a¹ is +veAns: n = 20
Sir, plz take a session on Morley's trisector theorem plz 🙏 sir
Plz do ioqm mock test for class 11 n 12
Very good session , Lovely teaching
18:15 it should be a+50d=65?
Please recommend book for ioqm
Pathfinder by prashant jain lelo ya challenge and thrill of pre college maths
@@yasharthyash17 dono ioqm mein kaam aayegi matlab saara syllabus aa jayega na?
@@divyanshagrawal1422 yes ioqm k liye h bs dono
@@yasharthyash17 thanks for your help I am thinking which one should I buy I will buy any one from Amazon thanks are you also preparing for ioqm
@@divyanshagrawal1422 yup, bro
sir at 51:12 there is a simpler way that to split 2a + 39d into (a+19d) + (a+20d)=
a²⁰ + a²¹ = 0
therefore, a²⁰ = -a²¹
Hence to get Sn max we have to take Sn only till 20 as after that it becomes negative as a¹ is +ve
Ans: n = 20
Sir, plz take a session on Morley's trisector theorem plz 🙏 sir
Plz do ioqm mock test for class 11 n 12
Very good session , Lovely teaching
18:15 it should be a+50d=65?
Please recommend book for ioqm
Pathfinder by prashant jain lelo ya challenge and thrill of pre college maths
@@yasharthyash17 dono ioqm mein kaam aayegi matlab saara syllabus aa jayega na?
@@divyanshagrawal1422 yes ioqm k liye h bs dono
@@yasharthyash17 thanks for your help I am thinking which one should I buy I will buy any one from Amazon thanks are you also preparing for ioqm
@@divyanshagrawal1422 yup, bro