SOLUTION: express the reciprocal of 3-radical 7 in simplest radical form

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Question 678414: express the reciprocal of 3-radical 7 in simplest radical form
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
express the reciprocal of 3-radical 7 in simplest radical form
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1/(3-sqrt(7))
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Multiply numerator and denominator by (3+sqrt(7)) to get:
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(3+sqrt(7))/(9-7)
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= (3+sqrt(7)/2
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Cheers,
Stan H.
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