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Consider the analytic function f(z) = x2 - y2 + i2xy...

This question belongs to Engineering Maths Complex Variable
Complex Variable
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Consider the analytic function f(z) = x2 - y2 + i2xy of the complex variable z = x + iy, where $${\text{i}} = \sqrt { - 1} .$$  The derivative f'(z) is

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Correct Answer: Option A
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