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Mathematics 7 Online
OpenStudy (anonymous):

find residue f(z)

OpenStudy (anonymous):

\[1/(cosz+1)(z+1)^2-2e^(z/(z-1))\]

OpenStudy (anonymous):

it is f(z)

OpenStudy (anonymous):

I don't find res at z=pi

OpenStudy (anonymous):

use this |dw:1339063454457:dw|

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