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