a^9-36a^7b^2+126a^5b^4-84a^3b^6+9ab^8 = 0, 9a^8b-84a^6b^3+126a^4b^5-36a^2b^7+b^9=1

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.