Let C denote the unit circle I: I = 1. described in the
Chapter 0, Problem 7.41(choose chapter or problem)
Let C denote the unit circle I: I = 1. described in the positive sense. Use the theorem in Sec. 93 to determine the value of ~c arg f(:) when (a)/(:)=::: (b) f(:) = 1/:2: (c) /(:.) = (2: - 1)7/:.'. Ans. (a) 4;r: (/J) -4;r: (c) 8;r.
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