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.
Det[{ { a, c, b}, {b, a+c, b+c}, {c, b, a+c}}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
