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.
운동 방향 \vec v = (3, 4) 의 단위 벡터
운동 방향 \vec v = (3, 4) 의 단위 벡터
Natural Language
Math Input
Extended Keyboard
