Answer to Question #1682 in Calculus for Abhilash

Question #1682

Differentiate the function.f(x) = log[sub]9[/sub](xe[sup]x[/sup])

Expert's answer

f'(x) = [(xe^x)ln9]^-1* (xe^x)' = e^x(1 +x)* [(xe^x)ln9]^-1= (1+x)/(x ln9)

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28.02.11, 12:54

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