|Jul1-09, 05:13 PM||#1|
Infinite Limit Complex Function
1. The problem statement, all variables and given/known data
Find the limit of a complex number involving infinity.
2. Relevant equations
Lim z->infiity of (8z^3+5z+2)
3. The attempt at a solution
I tried to split the problem into real and imaginary parts using z = x+iy, but I don't know how to deal with the z->infinity.
|Jul1-09, 08:04 PM||#2|
I could be misreading the problem, but the real part and imaginary part of that equation will go to infinity as well no matter which you take.
|Jul1-09, 08:37 PM||#3|
z->infinity means |z|->infinity. What can you say about lim |8z^3+5z+2|?
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