Question 1. In this question, for brevity we define an open sector in the complex plane to be a s...

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Question 1. In this question, for brevity we define an open sector in the complex plane to be a set {z : α < arg(z) < β} and

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secte そ; -t be a tr be a st fellewi のn 89そtnd) to intm.rty 北. Am 여en.ketm la with C To have decau) C/Nou Lun and e is elacd x

Here open sectors does not contain $\pi/2$ and $3\pi/2$ repectively on the lower bound and upper bound respectively whereas in closed sectors it includes those two values.

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