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MAT334--Lectures & Home Assignments / 2.5Q14
« on: November 05, 2018, 09:16:40 PM »
I have no idea about the proof. Can anyone help me with this question？
Q: If f is analytic in $|z-z_0|<R$ and has a zero of order m at $z_0$, show that $Res(\frac{f’}{f};z_0)=m$
Q: If f is analytic in $|z-z_0|<R$ and has a zero of order m at $z_0$, show that $Res(\frac{f’}{f};z_0)=m$