If n be a positive integer, show that the algebraic sum of thenumerical coefficients in the expansion of `(3x-2y)^n` is 1 .

If n be positive integer , show that the algebraic sum of the numerical coefficients in the expansion of the (3x-2y)^(n) is 1 .

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

The sum of the coefficients of the terms of the expansion of (3x-2y)^n is

Sum of the coefficient in expansion (x+y+z)^n is 3^n .

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

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

Show that the sum of the coefficients of the odd terms in the expansion of (1+x)^(2n)" is "2^(2n-1)

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

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