logx \(\frac{1}{9}\) = -2 হলে, x -এর মান কত ?
Correct Answer: Option D
logx \(\frac{1}{9}\) = -2 বা, x-2 = \(\frac{1}{9}\) বা, x-2 = \(\frac{1}{{{3^{2\;}}}}\) বা, x-2 = 3-2 x = 3
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