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.
lim
x
mm-template-arrow-right-8
∞
l
n
x
-
2
x
π
i
4
x
2
π
2
+
l
n
x
2
Math Input
Natural Language
Math Input
