" Coefficient of "x" in the expansion of "

The coefficients of x in the expansion of (x^(2)+(c)/(x))^(5) is equal to

Coefficient of x^n in the expansion of (a+x)^(2n)

The coefficient of x^5 in the expansion of (x+3)^8

If n is a positive integer and the coefficient of x^10 in the expansion of (1 + x)^15 is equal to the coefficient of x^5 in the expansion of (1-x)^(-n) then n =

Prove that he coefficient of x^n in the expansion of (1+x)^(2n) is twice the coefficient of x^(n) in the expansion of (1+x)^(2n-1)

Prove that the coefficient of x^n in the expansion of (1+x)^(2n) is twice the coefficient of x^n in the expansion of (1+x)^(2n-1) .

Prove that the coefficient of x^n in the expansion of (1+x)^(2n) is twice the coefficient of x^n in the expansion of (1+x)^(2n-1)

Prove that the coefficient of x^n in the expansion of (1+x)^(2n) is twice the coefficient of x^n in the expansion of (1+x)^(2n-1)