log3(1/9) = কত?

A 2

B -2

C 3

D -3

Solution

Correct Answer: Option B

মনে করি, 
log3(1/9) = x
⇒ 3x = 1/9
⇒ 3x = 1/32
⇒ 3x= 32
∴ x= -2

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