## Question

# false, and justify 4. Determine whether or not each of the following statements is true or or a counterexample. proof your answer with a

## false, and justify 4. Determine whether or not each of the following statements is true or or a counterexample. proof your answer with a (a) (3 points) Jrz dz = dz, where T is the positively oriented unit circle |z|= 1 (b) (3 points) If f is analytic at every point (c) (3 points) If f SR is a real-valued function on a domain S C C, then the integral f(z) dz is a real number, for any contour T' in S on a closed contour T, then Jr f(z) dz 0.

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### Introduction to Operations Research

**Authors:** Frederick S. Hillier, Gerald J. Lieberman

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