In the expansion of `(1+x)^50` the sum of the coefficients of odd power of x is (A) 0 (B) `2^50` (C) `2^49` (D) `2^51`

In the expansion of (1+x)^30 the sum of the coefficients of odd powers of x is

In the expansion of (1+x)^(70) , the sum of coefficients of odd powers of x is

In the expansion of (1+x)^(50), find the sum of coefficients of odd powers of x .

In the expansion of (1+x)^(50), find the sum of coefficients of odd powers of xdot

Observe the following statements : Statement -I : In the expansion of (1+x)^50, the sum of the coefficients of odd powers of x is 2^50 . Statement -II : The coefficient of x^4 in the expansion of (x/2 - (3)/(x^2))^10 is equal to 504/259 . Then the true statements are :

Sum of coefficients of terms of odd powers of x in (1 - x + x^2 - x^3)^9 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) .

Sum of coefficients of terms of odd powers of in (1+x - x^2 -x^3)^8 is

Assertion (A) : In the (1+x)^50 , the sum of the coefficients of odd powers of x is 2^49 Reason ( R) : The sum of coefficients of odd powers of x in (1+x)^n is 2^(n-1)

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