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Question: i find all the poles and zeros of f z...

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(i) Find all the poles and zeros of f (z) - an Argand diagram. Hence evaluate the integral φ f(-)dz, writing your solutions in the form a + jb, where a and b are real, and (a) C is the circle z 3 5. b C is the circle z- and plot them on (9 - z2)(z +j) (16 marks) (ii) By constructing a suitable contour in the complex plane, use the method of residues to evaluate the real integral CO x2-4x + 5

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