Find the sum of coefficients in the expansion of `(x-2y+3z)^n` is 128, then find the greatest coefficients in the expansion of `(1+x)^ndot`

if the sum of coefficients in the expansion of (x-2y+3z)^n is 128, then find the greatest coefficients in the expansion of (1+x)^ndot

Find the greatest coefficient in the expansion of (1+2x//3)^(15)dot .

If the sum of the coefficients in the expansion of (a + b)^(n) is 4096, then the greatest coefficient in the expansion is

If the sum of coefficient of first half terms in the expansion of (x+y)^ni s256 , then find the greatest coefficient in the expansion.

If x=1//3, find the greatest tem in the expansion of (1+4x)^8dot

Find the coefficient of x^3 in the expansion of (2-3x)^7 ?

Find the coefficient of x^6 y^3 in the expansion of (x+2y)^9 .

Find the sum of the coefficients in the expansion of (1+2x+3x^2+ n x^n)^2dot

If the sum of the coefficients in the expansion of (1 -3x + 10x^2)^(n) is a and the sum of the coefficients in the expansion of (1 - x^(2))^(n) is b , then