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OpenStudy (anonymous):
I am really stuck on this one. Does anyone know how to do this? Rationalize the denominator: 4 7 2−
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OpenStudy (anonymous):
?
OpenStudy (anonymous):
\[\frac{ 4 }{ \sqrt{7}-2 }\] Here is tthe equation.
OpenStudy (internettroll11):
multiply top and bottom by{ \sqrt{7}+2 }
OpenStudy (internettroll11):
so your denominator will become 3 and on top you will have 4(sqrt7+2)
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