The sum of coefficient of integral powers of x in the binomial expansion of `(1-2sqrt(x))^(50)` is

The sum of coefficients of integral powers of x in the binomial expansion of (1-2sqrt(x))^(50) is: (1) 1/2(3^(50)+1) (2) 1/2(3^(50)) (3) 1/2(3^(50)-1) (4) 1/2(2^(50)+1)

Find the sum of the coefficients of all the integral powers of x in the expansion of (1+2sqrt(x))^(40)dot

Find the sum of the coefficient of to middle terms in the binomial expansion of (1+x)^(2n-1)

Find the sum of the coefficient of two middle terms in the binomial expansion of (1+x)^(2n-1)

The coeffiicent of x^(n) in the binomial expansion of ( 1-x)^(-2) is

Find the sum of the coefficients of integral powers of x in (1+3sqrtx)^20

The sum of the coefficients of even power of x in the expansion of (1+x+x^2+x^3)^5 is 256 b. 128 c. 512 d. 64

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

The sum of the co-efficients of all the even powers of x in the expansion of (2x^2 - 3x + 1)^11 is -

The sum of the coefficients of all even degree terms in x in the expansion of (x+sqrt(x^(3)-1))^(6)+(x-sqrt(x^(3)-1))^(6) , (xlt1) is equal to 4k. The value of k is ________