Question 60 Answer and Explanation _ACT December 2010 Form 69A Math Section

Question 60 Answer and Explanation _ACT December 2010 Form 69A Math Section

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60. If r > 0 and s > 0, $\sqrt{\frac{r}{s}}\,+\sqrt{\frac{s}{r}}$ is equivalent to which of the following ?

F. 1

G. $\frac{2\sqrt{rs}}{r+s}$

H. $2\sqrt{rs}$

J. $\frac{r\,+\,s}{rs}$

K. $\frac{r\,+\,s}{\sqrt{rs}}$

Answer and Explanation

Your Answer is

Correct Answer is K

Explanation