Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
residue of cosh(z)^2 / (z^2 * (z-1-i)) at 1+i
residue of cosh(z)^2 / (z^2 * (z-1-i)) at 1+i
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random