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anonymous
 5 years ago
(sqrt(r)sqrt(s))/(sqrt(r)+sqrt(s)) Rationalize the denominator.
anonymous
 5 years ago
(sqrt(r)sqrt(s))/(sqrt(r)+sqrt(s)) Rationalize the denominator.

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myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1multiply by the bottom's conjugate the conjugate of a+b is ab so the conjugate of sqrt(r)+sqrt(s) is sqrt(r)sqrt(s)

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1if you multiply the bottom, you have to multiply the top though

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1\[\frac{\sqrt{r}\sqrt{s}}{\sqrt{r}+\sqrt{s}}\frac{\sqrt{r}\sqrt{s}}{\sqrt{r}\sqrt{s}}=\frac{r2\sqrt{r}{s}+s}{rs}\]

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1that sqrt should be over rs

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Thank very much for showing me how to do this problem.

myininaya
 5 years ago
Best ResponseYou've already chosen the best response.1np to rationalize the denominator just multiply what you have in the bottom with the sign change in the middle (do it to top and bottom) does that make sense?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Yes, thank you very much:)
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