" 4.If the sum of coefficients in the expansion of "(alpha^(2)x^(2)-2 alpha x+1)^(51)" vanishes,then find the value "

If the sum of the coefficients in the expansion of (alpha^(2)x^(2)-2 alpha x+1)^(51) vanishes, then find the value of alpha .

If the sum of the coefficient in the expansion of (alpha^(2)x^(2)-2 alpha x+1)^(51) vanishes,then find the value of alpha

If the sum of the coefficient in the expansion of (alpha^2x^2-2alphax+1)^(51) vanishes, then find the value of alpha

If the sum of the coefficient in the expansion of (alpha^2x^2-2alphax+1)^(51) vanishes, then find the value of alpha

If the sum of the coefficient in the expansion of (alpha^2x^2-2alphax+1)^(51) vanishes, then find the value of alpha

If the sum of the coefficient in the expansion of (alpha^(2)x^(2)-2alphax+1)^(51) vanishes, then alpha equals:

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

If the sum of the coefficient in the expansion of (p^2 x^2 - 2px+1)^51 vanishes then p=

The sum of the coefficients in the expansion of (1-2x+2x^2)^(2014) is