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.
Prüfe, ob A = {{ 1, 2 }, {2, 3 }} symmetrisch ist. (Antw.: ja.)
Prüfe, ob A = {{ 1, 2 }, {2, 3 }} symmetrisch ist. (Antw.: ja.)
Natural Language
Math Input
Extended Keyboard
