Question

In the expansion of $(1 + x)^{5}$, the sum of the coefficient of the terms is

• A. 80
• B. 16
• C. 32
• D. 64

Answer 1

Answer: (C)

32

Answer 2

Putting $x = 1$ in $(1 + x)^{5}$,

the required sum of coefficient = $(1 + 1)^{5} = 2^{5} = 32$