Log in

View Full Version : (5+sqrt(x))/(5x) how do I rationalize the numerator?


lola3455
Oct 16, 2009, 03:35 PM
(5+sqrt(x))/(5x)

how do I rationalize the numerator?

galactus
Oct 16, 2009, 04:57 PM
Multiply top and bottom by 5-\sqrt{x}

Which is the conjugate of your numerator.