[" Consider the expansion of "(1+x)^(2n+1)],[" The sum of the coefficients of all the terms "],[" expansion is "]

Consider the expansion of (1 + x)^(2n+1) The sum of the coefficients of all the terms in the expansion is

In the expansion of (1 + x)^5 , the sum of the coefficients of the terms is

In the expansion of (1+x)^(n), the sum of the coefficients of the terms in even positions is 2^(n-1)

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

Consider the expansion of (1 + x)^(2n+1) The average of the coefficients of the two middle terms in the expansion is

Show that the coefficient of the middle term in the expansion of (1 + x)^(2n) is the sum of the coefficients of two middle terms in the expansion of (1 + x)^(2n-1) .

The sum of the coefficients of middle terms in the expansion of (1+x)^(2n-1)

The sum of the coefficients of middle terms in the expansion of (1+x)^(2n-1)