Question: Use the theorem in Sec. 44 to show that when C0 is any closed contour which does not pass through the point z0. [Compare with

Use the theorem in Sec. 44 to show that
Use the theorem in Sec. 44 to show that when C0

when C0 is any closed contour which does not pass through the point z0. [Compare with Exercise 10(b), Sec. 42.]

(z-ZO)"-i dz = 0 (n = 1,2, )

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