In the expansion of `(x^3-1/x^2)^n, n in N` if sum of the coefficients of `x^5` and `x^(10)` is 0 then `n` is

In the expansion of (x^3-1/(x^2))^n ,n in N , if the sum of the coefficients of x^5a n dx^(10) is zero , then n is a. 25 b. 20 c. 15 d. none of these

If in the expansion of (x^3-1/x^2)^n the sum of the coefficients of x^5 and x^10 is 0 , then the coefficient of :the third term

If the sum of the coefficients in the expansion of (1-3x+10x^2)^n is a and if the sum of the coefficients in the expansion of (1+x^2)^n is b, then

If n is a positive integer and the coefficient of x^10 in the expansion of (1 + x)^15 is equal to the coefficient of x^5 in the expansion of (1-x)^(-n) then n =

The sum of the binomial coefficients in the expansion of (x^2+1/x)^n is 1024. find the coefficient of x^11 in the binomial expansion.

Coefficient of x^3 in expansion (1+x)^n is 20 then n = 6 .