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.
f(x,y) = -(3xy^2 - 25y + 3x^3)/(3y^3 + 3x^2y - 25x) for (x,y)=(3,1)
f(x,y) = -(3xy^2 - 25y + 3x^3)/(3y^3 + 3x^2y - 25x) for (x,y)=(3,1)
Natural Language
Math Input
Extended Keyboard