June 6th, 2019, 07:09 AM  #1 
Newbie Joined: Jun 2019 From: Moscow Posts: 14 Thanks: 0  Solve integral
Help with the task please where L  is a segment connecting the points 0 and 1 + i 
June 6th, 2019, 12:33 PM  #2 
Senior Member Joined: Sep 2015 From: USA Posts: 2,549 Thanks: 1399 
1) parameterize L $L: (1+i)t,~t\in[0,1]$ 2) apply parameterization to integrand $z Im(z^2) = (1+i)t \cdot Im(((1+i)t)^2) = \\ (1+i)t\cdot Im(2t^2i) = 2 (1+i)t^3,~t\in [0,1]$ 3) integrate over the parameter $\int_0^1~2(1+i)t^3~dt$ I leave the integral to you. 
June 7th, 2019, 02:09 AM  #3 
Newbie Joined: Jun 2019 From: Moscow Posts: 14 Thanks: 0 
Thank you 

Tags 
complex, complex analysis, integral, solve 
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