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.
证明柯西-施瓦茨不等式 |\vec u * \vec v| <= |\vec u||\vec v| 。(用 对所有 。)
证明柯西-施瓦茨不等式 |\vec u * \vec v| <= |\vec u||\vec v| 。(用 对所有 。)
Natural Language
Math Input
Extended Keyboard