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.
trace of {{i, 3i-2, 2i-2}, {1-2i, 4i-1, 2i}, {2i+1, 2, 2-3i}}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random