# Evaluate Complex Variable (Contour; Circular Arc)

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11. Evaluate integral r (2z + 1) dz where R is the following contour from z = -i to z= i.

c. the circular arc z = e^it for -pi/2 < t < 0

https://brainmass.com/math/circles/evaluate-complex-variable-contour-circular-arc-25100

#### Solution Summary

This solution contains a step-by-step calculation of the integral for the circular arc.

$2.19