logx(1/8)= -2 হলে, x = কত?
Solution
Correct Answer: Option C
logx (1/8) = -2
⇒ x-2 = 1/8
⇒ 1/x2 = 1/8
⇒ x2 = (2√2)2
⇒ x = 2√2
⇒ x-2 = 1/8
⇒ 1/x2 = 1/8
⇒ x2 = (2√2)2
⇒ x = 2√2
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