# Math Help - rationalize the denominator

1. ## rationalize the denominator

If you rationalize the denominator of
then you will get

2. ## Re: rationalize the denominator

I need to find what A and B are please help

3. ## Re: rationalize the denominator

Multiply the fraction with $\frac{5x\sqrt{5}+3y\sqrt{3}}{5x\sqrt{5}+3y\sqrt{3} }$