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.
원 x^2 + y^2 = 1 과 (x-5)^2 + y^2 = 4 의 4개 공통접선을 구하라
원 x^2 + y^2 = 1 과 (x-5)^2 + y^2 = 4 의 4개 공통접선을 구하라
Natural Language
Math Input
Extended Keyboard
