Question: Question 2 (4 points). Let f be an analytic function inside and on a closed contour C. Let 2:0 be a point in the complex

Question 2 (4 points). Let f be an analytic function inside and on a closed contour C. Let 2:0 be a point in the complex plane not lying on C. Prove that f'(z) = / f(z) C (3 30)? Hint: Use Cauchy integral formula and its extension. CZZo

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