If the sum of all the coefficients in the expansion of `(3x-2y+2z)^(n)` is 729, then the value of "n" is

What is the sum of all the coefficients in the expansion of (1+x)^(n) ?

The sum of the coefficients in the expansion of (x+2y+3z)^(8) is

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

What is the sum of the coefficients in the expansion of (1+x)^(n) ?

If the sum of the coefficients in the expansion of (x +y)^(n) is 2048, then the greatest coefficient in the expansion is:

If the sum of the coefficient in the expansion of x+y^n is 1024, then the value of the greatest coefficient in the expansion is :