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

Discuss Forum

1. $2^{x + 1}$

A. $\frac{1}{2}$
B. $\frac{1}{2}$
C. $\frac{1}{2}$
D. $\frac{1}{2}$

Answer: Option D

Explanation:

2^x+1=8^x+1

2^x+1= (2^3)^x+1

2^x+1=2^3x+3

x+1=3x+3

x-3x=3-1

-2x=2

x=-2/2

x=-1

Post your comments here:

Name:

Mobile:

Email:(Optional)

» Your comments will be displayed only after manual approval.