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OpenStudy (anonymous):
Rationalize 5/sqrt(7) I forgot what it means to rationalize lol.
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OpenStudy (anonymous):
\[5\div \sqrt{7}\]
OpenStudy (anonymous):
means make the denominator a rational number by writing \[\frac{5}{\sqrt{7}}\times \frac{\sqrt{7}}{\sqrt{7}}=\frac{5\sqrt{7}}{7}\]
OpenStudy (anonymous):
/facepalm Can't believe I forgo that. Thanks!
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