- #1
cragar
- 2,552
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Homework Statement
Use a laurent series to find the indicated residue
[itex] f(z)=e^{\frac{-2}{z^2}} [/itex]
Homework Equations
The Attempt at a Solution
So I expand the series as
follows [itex] 1-\frac{2}{z^2}+\frac{2}{z^4} ...[/itex]
my book says the residue is 0 , is this because there is no residue term ?
the [itex] a_{-1} [/itex] term
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