Sum of the coefficients of (1 + x)n is always a

Question

Sum of the coefficients of (1 + x)n is always a (A) any integer (B) positive integer (C) negative integer (D) zero

Tardigrade Admin · Accepted Answer

Some of the cofficient of ( 1 + x)n = 2n

Q. Sum of the coefficients of $(1 + x)^{n}$ is always a