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

1 . 22x+1=128

A. 2
B. 3
C. 4
D. 1

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Answer: Option B

Explanation:

2^2x+1=128

বা, 2^2x+1=2^7

বা, 2x+1=7

বা, 2x=6

বা, x=3