Question

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Answer 1

ok lets see

Answer 2

4sqrt(6)/sqrt(6*5) = 4/sqrt(5)

Answer 3

If you already have the answer, how did you get it?

Answer 4

Only when it comes time to test your knowledge. :)

Answer 5

It is relatively straightforward. \[\frac{4\sqrt{6}}{\sqrt{30}}\rightarrow4*\frac{\sqrt{6}}{\sqrt{30}}\rightarrow4*\sqrt{\frac{6}{30}}\rightarrow4*\sqrt{\frac{1}{5}}\rightarrow4*\frac{1}{\sqrt{5}}\rightarrow\frac{4}{\sqrt{5}}\]