SOLUTION: if log 3=a log 4=b find log15

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Question 993977: if log 3=a log 4=b find log15
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if log 3=a log 4=b find log15
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log(15) = log(3*5) = log(3) + log(20/4)
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= log(3) + log(2) + log(10) - log(4)
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= a + b/2 + 1 - b
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= a - (b/2) + 1
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Cheers,
Stan H.
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