Question: (c) 3 cosh(z + 2) Verify Cauchy's theorem for the functions (a) 3z2 + iz 4, where C is the square with vertices at

(c) 3 cosh(z + 2) Verify Cauchy's theorem for the functions (a)

(c) 3 cosh(z + 2) Verify Cauchy's theorem for the functions (a) 3z2 + iz 4, where C is the square with vertices at 1 + i, 1 + i. (b) 5 sin 2z.

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