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OpenStudy (anonymous):
f(z) = (2x-(x^3)-xy)+i(-2y+(x^2)y+y^3) Find all the points where the function is differentiable and also the derivative of the funciton.
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OpenStudy (experimentx):
make use of Cauchy Riemann criteria
OpenStudy (experimentx):
you have two unknowns ... x and y ... Cauchy Riemann criteria will give you two equations.Solve for them (real values)
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