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Mathematics 8 Online
OpenStudy (anonymous):

Rationalize the denominator & simplify: square root7-square root 2/square root 7 + square root 2

OpenStudy (lucaz):

you have to use the difference of squares, multiply the numerator and denominator by (sqrt7-sqrt2)

OpenStudy (anonymous):

\[1/5\left( 9-2\sqrt{14} \right)\] does that look right?

OpenStudy (lucaz):

sorry, I was checking my question

OpenStudy (lucaz):

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