3√a = √5 হলে a এর মান কত?
Solution
Correct Answer: Option B
3√a = √5
বা, (3√a)3 = (√5)3
বা, a = (√5)2.√5
বা, a = 5√5
বা, (3√a)3 = (√5)3
বা, a = (√5)2.√5
বা, a = 5√5
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