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.
\
f
r
a
c
2
\
l
e
f
t
x
-
2
c
\
r
i
g
h
t
\
s
q
r
t
x
+
c
3
+
k
i
n
v
e
r
s
e
Math Input
Natural Language
Math Input
