Question: Write a program for graphing equipotential lines u = const of a harmonic function u and of its conjugate v on the same axes. Apply

Write a program for graphing equipotential lines u = const of a harmonic function u and of its conjugate v on the same axes. Apply the program to

(a) u = x2 - y2, v = 2xy

(b) u = x3 - 3xy2, v = 3x2y - y3.

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