# [SOLVED] Special Case of Cauchy's Integral Formula

• February 16th 2010, 02:44 PM
davismj
[SOLVED] Special Case of Cauchy's Integral Formula
http://i49.tinypic.com/2dhedti.jpg

I dont understand at all. (Crying)
• February 16th 2010, 03:33 PM
dedust
Quote:

Originally Posted by davismj
http://i49.tinypic.com/2dhedti.jpg

I dont understand at all. (Crying)

the circle centered at a with radius r has the equation $z(t) = a + re^{it}$

hence $~dz = ire^{it} ~dt$

substitute it to the cauchy integral formula
• February 16th 2010, 05:01 PM
davismj
Quote:

Originally Posted by dedust
the circle centered at a with radius r has the equation $z(t) = a + re^{it}$

hence $~dz = ire^{it} ~dt$

substitute it to the cauchy integral formula

Wow, you've helped me so much on this one. I understand Complex Analysis so much more now.