logx1/9 = -2 হলে, x এর মান কোনটি?
Solution
Correct Answer: Option A
logx1/9 = -2
⇒ x-2 = 1/9
⇒ 1/x2 = 1/32
⇒ x2 = 32
∴ x = 3
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Correct Answer: Option A
logx1/9 = -2
⇒ x-2 = 1/9
⇒ 1/x2 = 1/32
⇒ x2 = 32
∴ x = 3
Download our app for free and access thousands of MCQ questions with detailed solutions