# alg 2.

when condensing this expression why is the answer ln5.

ln25-ln5

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1. ln 25 = ln 5^2 = 2 ln 5
so we have
2 ln 5 - 1 ln 5
which is one ln 5

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posted by Damon
2. Isn't log(A/B) = logA - logB ?

so.....

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posted by Reiny
3. much easier... thanks!!

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posted by Miley

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