In the expansion of `(1+x+x^3+x^4)^10,` the coefficient of `x^4` is `^40 C_4` b. `^10 C_4` c. `210` d. `310`

In the expansion of (1+x+x^3+x^4)^10, the coefficient of x^4 is ^40C_4 b. ^10 C_4 c. 210 d. 310

In the expansion of (1+x+x^3+x^4)^10, the coefficient of x^4 is a. .^40C_4 b. .^10 C_4 c. 210 d. 310

In the expansion of (1+x+x^(2)+x^(3)+x^(4))^(-2), coefficient of x^(10) is

In the expansion of [(1+x)//(1-x)]^2, the coefficient of x^n will be 4n b. 4n-3 c. 4n+1 d. none of these

In the expansion of [(1+x)/(1-x)]^(2), the coefficient of x^(n) will be 4n b.4n-3 c.4n+1 d.none of these

In the expansion of [(1+x)//(1-x)]^2, the coefficient of x^n will be a. 4n b. 4n-3 c. 4n+1 d. none of these

In the expansion of [(1+x)//(1-x)]^2, the coefficient of x^n will be a. 4n b. 4n-3 c. 4n+1 d. none of these

If the sum of the binomial coefficients in the expansion of (x+ 1/x)^n is 64, then the term independent of x is equal to (A) 10 (B) 20 (C) 30 (D) 40

If the sum of the binomial coefficients in the expansion of (x+ 1/x)^n is 64, then the term independent of x is equal to (A) 10 (B) 20 (C) 30 (D) 40