4x + 1 = 32 হলে x এর মান কত?

A 4

B 3

C 3/2

D 5/2

Solution

Correct Answer: Option C

4x + 1 = 32
(22)x + 1 = 25
22x + 2 = 25
2x + 2 = 5
2x = 5 - 2
2x = 3
x = 3/2

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