Class 11 | Binomial Expansion | IIT JEE | 10c0^2 + 10c1^2+.........+10c10^2=

 

C0Cr+C1Cr+1+..........+Cn-rCn Class 11 Binomial Theorem

 

C0Cn+C1Cn-1+.........+CnC0 Class 11 Binomial Theorem iitjee

 

C1+C1C2+C2C3+....... +Cn-1Cn Class 11 Binomial Theorem

 

C1+2C2+3C3+.......+nCn= Class 11 Binomial Theorem

Find the sum of all coefficient in the expansion (1+x-3x²) solved by Sayan Dey Class 11 Binomial Theorem

 

For r=0,1,...,10, if A r ​ ,B r ​ and C r ​ denote respectively the coefficient of x r in the expansions of (1+x) 10 ,(1+x) 20 and (1+x) 30 . Then, ∑A r ​ (B 10 ​ B r ​ −C 10 ​ A r ​ ) is equal to

 

If 3x7^22 + 2x10^22-44 is divided by 18 leaves remainder