How can you simplify #1/(3sqrt(1-x^2/9))#?
1 Answer
Nov 28, 2014
note: This question comes originally from this page.
To simplify this expression I brought the
1.)
is equivalent to
2.)
A common law of radicals is the law of "combining," which basically looks like:
where
Using this law we can simplify our expression a little further.
2.)
will become:
3.)
Now, all that's left is to distribute the
4.)
which looks a lot less ugly than what we started with in 1 .