# Complex Variable (Circle; Contour)

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See attachment for better formula representation and theorem 5.

For each of the following use Theorem 5. to establish the indicated estimate.

a. If C is the circle |z| = 3 traversed once then:

| Integral C ( dz/ z^2 - i) | < 3pi / 4

https://brainmass.com/math/geometry-and-topology/complex-variable-circle-contour-25101

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This solution contains a step-by-step proof for the length of the circle.

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