math problems
posted by tora on .
ã7/11 rationalize the denominator and simplify

If you mean
√(7/11) then
√7/√11 * √11/√11
√(7*11)/11
√77/11
As you go on, I think you'll come to realize that rationalizing the denominator is often a waste of time.
I think 1/√2 is just as nice as √2/2 for most purposes.