# ?Finding a Derivative In Exercises 53–78, find the derivative of the function. \(y=-\frac{1}{a x}+\frac{b}{a^{2}} \ln \frac{a+b x}{x}\)

**Chapter 3, Problem 78**

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Finding a Derivative In Exercises 53–78, find the derivative of the function.

\(y=-\frac{1}{a x}+\frac{b}{a^{2}} \ln \frac{a+b x}{x}\)

Text Transcription:

y=-1/ax+b/a^2 ln a+bx/x

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