Question 1042522: How would I write an expression as a single logarithm? evaluate where possible
1. 5lnx-3lny
2. 2logx + 5logy -9logz
Thank you Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How would I write an expression as a single logarithm? evaluate where possible
1. 5lnx-3lny = ln(x^5) - ln(y^3) = ln[x^5/y^3]
2. 2logx + 5logy -9logz
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log(x^2) + log(y^5) - log(z^9)
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= log[x^2*y^5/z^9]
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Cheers,
Stan H.
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