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--- math121a-f23:september_20_wednesday [2023/09/21 12:29]
pzhou
+++ math121a-f23:september_20_wednesday [2023/09/21 12:30] (current)
pzhou [Exercises]
@@ Line 54: / Line 54: @@
 (1)  $\oint_C \frac{1}{1+z^2} dz$
-(2)  $\oint_C \frac{z}{1+z^2} dz$
+(2) (the result for this one is not zero.)
+ $\oint_C \frac{z}{1+z^2} dz$
 (3)  $\oint_C \frac{z^2}{1+z^4} dz$

Lecture Notes