logx 324 = 4 হলে x এর মান কত?
Solution
Correct Answer: Option A
logx 324 = 4
⇒ x4 = 324
⇒ x4 = 81 x 4
⇒ x4 = 34.(√2)4
⇒ x4 = 324
⇒ x4 = 81 x 4
⇒ x4 = 34.(√2)4
⇒ x4 = (3√2)4
∴ x = 3√2
∴ x = 3√2
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