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.
i
n
f
0
1
1
+
t
-
1
.
4
3
1
+
t
2
d
t
Math Input
Natural Language
Math Input
