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Dhunia bujisa
Vl bujaise sir
Important topic.thnk u
ভাল লাগিল দে ,
Bohut dhunia bujaise..29 September examr karone question anibosun...
Bhal.lagil.sir
Val bujaisa...driver r maths aniba
Dada hanuman chalisha khnr video ata dbo sn please
Tnku sir
Thank you
Nice sir ☺️
Nice video
Very nice
Q..Sum of 20 odd numbers is... n×n= 20×20 = 4001,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39=400Q..Sum of 100 natural numbers N×(n+1)/2 100×(100+1)/2=50×101=5050Q.. 23 square natural numbers n×(n+1)(2n+1)/6. = 23×(23+1)(2×23+1)/6 = 23×24×47/6=4324
D
❤❤❤❤❤❤❤❤❤❤
Good
Sir ru dibo...BA levelor ahib loga
👍
Nice sir
অস্বাভাৱিক সংখ্যাৰ বৰ্গৰ মান অত ফৰ্মূলা কি হব
8 pass level questions diok sar
Good 👍
Essy method apply
Channel notun ne ami subscriberr notun
Dhunia bujisa
Vl bujaise sir
Important topic.thnk u
ভাল লাগিল দে ,
Bohut dhunia bujaise..29 September examr karone question anibosun...
Bhal.lagil.sir
Val bujaisa...driver r maths aniba
Dada hanuman chalisha khnr video ata dbo sn please
Tnku sir
Thank you
Nice sir ☺️
Nice video
Very nice
Q..Sum of 20 odd numbers is... n×n= 20×20 = 400
1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39=400
Q..Sum of 100 natural numbers N×(n+1)/2 100×(100+1)/2=
50×101=5050
Q.. 23 square natural numbers
n×(n+1)(2n+1)/6. = 23×(23+1)(2×23+1)/6 = 23×24×47/6=4324
D
❤❤❤❤❤❤❤❤❤❤
Good
Sir ru dibo...BA levelor ahib loga
👍
Nice sir
অস্বাভাৱিক সংখ্যাৰ বৰ্গৰ মান অত ফৰ্মূলা কি হব
8 pass level questions diok sar
Good 👍
Essy method apply
Channel notun ne ami subscriberr notun
Thank you
Good 👍