# Derivatives of Logarithms and L'Hopital's Rule

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Apply laws of logarithms to simplify the function. Then find its derivative.

?(x) = ln ^/¯ (9-x2)/(4+x2)

Find

limx→3 2x^4-3x^3-81/x^5-10x^3+27

Apply L'Hopital's rule as many times as necessary, verifying your results after each application

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##### Solution Summary

Derivatives of Logarithms and L'Hopital's Rule are investigated.

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