Polar coordinates p = Yr + y2, e = arctan (ylx) 13 give =
Chapter 9, Problem 9.5(choose chapter or problem)
Polar coordinates p = Yr + y2, e = arctan (ylx) 13 give = I V p2 + p'2 de, where p' = dplde. Derive ex this. Use it to find the total length of the cardioid p = a(l - cos e). Sketch this curve. Hint. Use (10) in App. 3.l.
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