If a^2x+2 = 1, where is a positive real number other than 1, then x is equal to?

A. -2

B. -1

C. 0

D. 1

Answer: Option B

Solution(By Examveda Team)

$$\eqalign{ & \Rightarrow {a^{2x + 2}} = 1 \cr & \Rightarrow {a^{2x + 2}} = {a^0} \cr & \Rightarrow 2x + 2 = 0 \cr & \Rightarrow x = - \frac{2}{2} \cr & \Rightarrow x = - 1 \cr} $$