BD Merit - Freelancing, BCS, Bank, Primary, Admission, NTRCA

Discuss Forum

1. $4^{x + 1} = 32^{x - 2}$

Answer: Option D

Explanation:

4^{x + 1} = 32^{x - 2} \Rightarrow 2^{2 (x + 1)} = 2^{5 (x - 2)} \Rightarrow 2 x + 2 = 5 x - 10 \Rightarrow 5 x - 2 x = 10 + 2 \Rightarrow 3 x = 12 \Rightarrow x = 4

Post your comments here:

Name:

Mobile:

Email:(Optional)

» Your comments will be displayed only after manual approval.