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Question

rationalize the numerator:

((square root of m)-(square root of 7))/(7-x).
thank you so much
10 years ago

Answers

bobpursley
(sqrtm-sqrt7)/(7-x)

multiply numerator and denominator by
sqrtm+sqrt7.

(m-7)/((7-x)(sqrtm+sqrt7))
10 years ago

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