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

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 :

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 :

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)^(50) , the sum of the coefficients of odd powers of x is :

In the expansion of (1+x)^(n) ,Then sum of the coefficients of odd power of x is

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