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OpenStudy (chelseatheruler):
how would you rationalize 3 over sqrt(5)
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OpenStudy (ranga):
multiply top and bottom by sqrt(5).
OpenStudy (chelseatheruler):
What do you mean? @ranga I don't really understand this.
OpenStudy (ranga):
\[\frac{ 3 }{ \sqrt{5} } = \frac{ 3 \times \sqrt{5} }{ \sqrt{5} \times \sqrt{5} } = ?\]
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