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December 3rd, 2016, 12:53 PM  #1 
Newbie Joined: Dec 2016 From: London Posts: 4 Thanks: 0  Complex Analysis Question
Hi guys, I'm stuck on these questions; if you could help me on them, it would be very appreciated, thank you.
Last edited by skipjack; December 3rd, 2016 at 02:23 PM. 
December 3rd, 2016, 01:07 PM  #2 
Senior Member Joined: Sep 2007 From: USA Posts: 349 Thanks: 67 Math Focus: Calculus 
What do you need help on, specifically? These questions appear to allude to the substitution $z=e^{i t}$, which will create a closed contour in terms of $z$.
Last edited by Compendium; December 3rd, 2016 at 01:35 PM. 

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