perplexus.info :: Just Math : More Logs

More Logs (Posted on 2002-06-17)

     log ₂(3) = x

What is

     log ₂(9) ?

See The Solution Submitted by Dulanjana

Rating: 1.5000 (16 votes)

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Solution

| Comment 1 of 14

log a (b^2) = 2log a (b). Thus, log 2 (9) = 2log 2 (3) = 2x. At least I assume that's the answer you're looking for. More properly, log 2 (9) = 3.169925..., regardless of x.

Posted by friedlinguini on 2002-06-17 08:00:00

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