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.
验证隐式对 x^2 + y^2 = r^2 求导给出与显式对 y = +/-sqrt(r^2-x^2) 求导相同的结果。
验证隐式对 x^2 + y^2 = r^2 求导给出与显式对 y = +/-sqrt(r^2-x^2) 求导相同的结果。
Natural Language
Math Input
Extended Keyboard