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The value of log, 81 is equal to:
Question

The value of log, 81 is equal to:

A
−27

B
−4

C
4

D
27

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Text SolutionText solutionverified iconVerified

(b): Let log(−1/3)81=x. Then, (−13)x=81=34=(−3)4=(−13)−4 ∴x=−4i.e.,log(−1/3)81=−4
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Question Text
The value of log, 81 is equal to:
Answer TypeText solution:1
Upvotes150