I need help rationalizing the numerator

1. Jan 30, 2007

afcwestwarrior

when u use square roots, here's an example
lim 9-t/3-squareroot of t
t approaches 9
all i need is an example on how u rationalize the sqaure root of something, i know how to rationalize regular stuff, but i forgot how to rationalize sqaure roots

2. Jan 30, 2007

afcwestwarrior

no one knows how to do it,

3. Jan 30, 2007

eccefeles

I hope I've understood your question: you wish to rationalise a surd (which is irrational)? No it can't be done.

Would you like to rewrite the question in Latex? I'm not quite sure what it is that you're trying to do. Perhaps you are taking the wrong approach?

4. Jan 30, 2007

afcwestwarrior

it's ok i figured it out