Question 1042522
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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