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.
reta tangente ao círculo (x-1)^2 + (y+2)^2 = 40 no ponto
reta tangente ao círculo (x-1)^2 + (y+2)^2 = 40 no ponto
Natural Language
Math Input
Extended Keyboard