What is the difference between the Argument Principal and the Rouche's Theorem.
I am not sure when to use which one when I have a question for example:
How many roots of $z^4 + z^3 + 1=0$ lie inside $C=\{|z|=3/2\}$
What is the difference between the Argument Principal and the Rouche's Theorem.
I am not sure when to use which one when I have a question for example:
How many roots of $z^4 + z^3 + 1=0$ lie inside $C=\{|z|=3/2\}$