If the sum of the coefficients of the expansion `(a^(2)x^(2)-2ax+1)^(51)` be zero , than the value of a will be -

If the sum of the coefficients in the expansions of (a^(2)x^(2)-2ax+1)^(51) is zero, then a is equal to a)0 b)1 c)-1 d)-2

The sum of the co-efficient of the expansion of (a^4x^2-2a^2x+1)^101 is zero.find the value of a.

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

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

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

The sum of the coefficients in the expansion of (1+2x-x^2)^(20) is

If sum of the coefficients in the expansion (2x^(2)-3cx+c^(2))^(17) is zero , then c is equal to

Write the sum of the coefficients in the expansion of (1-3x+x^(2))^(111)