" 18.Sum of the coefficients of "(1-x)^(25)" is "

Sum of the coefficients of (1+2x-4x^2)^(2003)

Sum of the coefficients of (1+2x-4x^2)^(2003)

If the sum of the coefficients in the expansion of (1-4x+7x^(2))^(n) is "a" and the sum of the coefficients of (1+x+2x^(2))^(n) is "b" ,then find relation between a and b

The sum of the coefficient of (1+2x-4x^2)^35 is

The sum of the coefficients in (1+x-3x^2)^2143 is

The sum of the coefficients in (1+x-3x^2)^2143 is

If the sum of the coefficients of (1+2x)^n is 6561 then the value of n

Sum of last 8 coefficients in (1 + x)^16 is

Show that the sum of the coefficients of x^(25) and x^(-10) of (x^(4) -(1)/(x^(3)))^(15) is zero.

The sum of the coefficient in (x + y)^(10)