log3 \(\frac{1}{9}\) এর মান-

log₃ \(\frac{1}{9}\) এর মান-

A 2

B -2

C 3

D -3

Solution

Correct Answer: Option B

log₃ \(\frac{1}{9}\) = log_{3^{\(\frac{1}{{{3^{2\;}}}}\)}} = log₃ 3^-2 = -2