Simplifying √(3+√5)/√(3-√5)

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ozone
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IDK if this should be in the precalc section, but I was wondering how to reduce

[itex]\sqrt{(3+\sqrt{5})} / \sqrt{(3-\sqrt{5})}[/itex] to [itex](\sqrt{5} + 1) /(\sqrt{5} - 1)[/itex]
 
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Notice that 3±√5=0.5(6±2√5)=.5(5±2√5+1)=...

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