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.
{{1,0,-1},{1,-1/24,1/20},{1,1,1/60}} {{39/40,0,0},{0,93/100,0},{0,0,87/100}} inverse({{1,0,-1},{1,-1/24,1/20},{1,1,1/60}} )
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random