If three successive coefficients in the expansion of `(1+x)^n` be 220,495 and 972, find n.

If three consecutive coefficients in the expansion of (1+x)^n be 56, 70 and 56, find n and the position of the coefficients.

If 36, 84, 126 are three successive binomial coefficients in the expansion of (1+x)^(n) , find n.

If the three consecutive coefficients in the expansion of (1+x)^n are 28, 56, and 70, then the value of n is.

The greatest coefficient in the expansion of (1+x)^(2n) is

The sum of the coefficient in the expansion of (1 + x+x^2)^n is

If there are three successive coefficients in the expansion of (1+2x)^(n) which are in the ratio 1:4:10 , then 'n' is equal to :

If a, b and c are three consecutive coefficients terms in the expansion of (1+x)^n , then find n.

If a, b and c are three consecutive coefficients terms in the expansion of (1+x)^n , then find n.

If the coefficients of three consecutive terms in the expansion of (1+x)^n be 76, 95 and 76 find n .

The coefficient of x^(n) in the expansion of e^(x) is