The fourth term in the binomial expansion of `(x^2-1/x^3)^n` is independent of x, when n is equal to:

If the fourth term in the expansion of (px+1/x)^n is 5/2 , then (n,p)=

Find the fourth term in the expansion of : (4/7x-y^2)^5 .

The middle term in the expansion of (1 + x)^(2n) is :

If the sum of the binomial coeffiients in the expansion of (x^(2) + (2)/(x^(3)))^(n) is 243 , the term indepandent of x is equal to

If the coefficients of second, third and fourth terms in the expansion of (1+x)^n are in AP then n equals

If the fourth term in the expansion of (a x+1/x)^n is 5/2 , then find the values of a and n.

Find the rth term from the end in the expansion of (x+a)^n .

If the rth term in the expansion of (x/3-2/x^2)^10 contains x^4 , then r is equal to ,

Find the term independent of x in the expansion of (x^2+1/x)^9 .