How to solve complex Integral along z=0 to z=2 then along line parallel to y-axis from z=2 to z=2+i

[@btechwalebhaiya234]

You teaches in easy way

[@btechwalebhaiya234]

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[@SwatiThengMathematics]

Glad to hear that

[@sumansaurabh2411]

Amazing explanation but too much add video

[@yugnaik2705]

This question is from which book
Please tell maan

[@btechwalebhaiya234]

Thanks