Question: A function of a complex variable z is defined by the integral f(z)=fai.r (w^2-2/2-z), where I' is a W-2 W-Z circular contour of radius

A function of a complex variable z is defined by the integral

A function of a complex variable z is defined by the integral f(z)=fai.r (w^2-2/2-z), where I' is a W-2 W-Z circular contour of radius 3, centred at origin, running counter-clockwise in the w- plane. The value of the function at z=(2-i) is (a) 0 (b) 1-4i (c) 8x+2i (d) 2 i I 27

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