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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Problem Solution

| Comment 8 of 14 |

3^2=9, so that 2*Log_p(3) = Log_p(9), where p is the base of the logarithm.
For p=2, we obtain:
Log_2(9)
= 2*Log_2(3)
= 2x

Posted by K Sengupta on 2007-03-24 11:53:41

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