# Line integral

Calculus Level 4

Find $$\lfloor10000I\rfloor$$, where:

$I=\oint_Cf(z)\ \mathrm dz$

where $$C$$ is the square of vertices $$1+i$$, $$1+3i$$, $$3+i$$, $$3+3i$$, and $$f(z)=\dfrac{e^z}{z^4-1}$$.

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