4x + 4x + 4x + 4x এর মান কত?

A 2a + 1

B 22x + 2

C 2ax

D 44x

Solution

Correct Answer: Option B

4x + 4x + 4x + 4
= 4. 4x
= (22).(22)x
= 22. 22x
= 22 + 2x

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