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.
证明齐次方程组 Ax = 0 总是有 x = 0 作为解。非平凡解存在 iff \det A = 0 。
证明齐次方程组 Ax = 0 总是有 x = 0 作为解。非平凡解存在 iff \det A = 0 。
Natural Language
Math Input
Extended Keyboard
