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.
t
a
b
l
e
N
r
e
l
o
g
r
,
r
=
2
.
.
8
Math Input
Natural Language
Math Input