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 {{ 1, 2 }, {2, 4 }} . (Ans: 0 — proportional columns.)
\det {{ 1, 2 }, {2, 4 }} . (Ans: 0 — proportional columns.)
Natural Language
Math Input
Extended Keyboard
