Verify that (x, y) = tan 1 y/x is harmonic using both the rectangular and polar expressions

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Verify that ƒ(x, y) = tan−1 y/x is harmonic using both the rectangular and polar expressions for Δƒ.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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