logx324 = 4 হলে, x = কত? 

A 3√2

B 2√3

C √3

D √6

Solution

Correct Answer: Option A

logx324 = 4
বা, x4 = 324
বা, (x2)2 = (9 × 2)2
বা, x2 = 9 × 2
বা, x = √(9 × 2)
 ∴ x = 3√2

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