Find the curvature of the generating curve.

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Homework Statement


A surface is formed by revolving y=x^(8/5) / 4 between [0,5] about the y-axis. Find the curvature of the generating curve. Graph the function of the generating curve.

This is a question from a mathematica project. The book we are using is Stewart Multivariable Calculus 6E. I can't seem to find "generating curves" in the index of the book, so I am clueless where to look for help.
 
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