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.
[x^2-y^2/(4/10)=-1,4*x^2-(9-1/4)*y^2=1]
[x^2-y^2/(4/10)=-1,4*x^2-(9-1/4)*y^2=1]
Natural Language
Math Input
Extended Keyboard