4x + 4x + 4x + 4x এর মান কত?
Solution
Correct Answer: Option B
4x + 4x + 4x + 4x
= 4. 4x
= (22).(22)x
= 22. 22x
= 22 + 2x
= 4. 4x
= (22).(22)x
= 22. 22x
= 22 + 2x
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