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OpenStudy (anonymous):
How would I rationalize the denominator?
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OpenStudy (anonymous):
\[\frac{ 9 }{ 2\sqrt{10} }\]
OpenStudy (anonymous):
That is the equation.
OpenStudy (mathstudent55):
For this kind of problem, \( \dfrac{a}{\sqrt{b}} \) multiply by \(\dfrac{\sqrt{b}}{\sqrt{b}} \).
OpenStudy (anonymous):
I multiply 2 by the top and the bottom as well?
OpenStudy (anonymous):
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