Asked by mara
                rationalize the numerator:
((square root of m)-(square root of 7))/(7-x).
thank you so much
            
        ((square root of m)-(square root of 7))/(7-x).
thank you so much
Answers
                    Answered by
            bobpursley
            
    (sqrtm-sqrt7)/(7-x)
multiply numerator and denominator by
sqrtm+sqrt7.
(m-7)/((7-x)(sqrtm+sqrt7))
    
multiply numerator and denominator by
sqrtm+sqrt7.
(m-7)/((7-x)(sqrtm+sqrt7))
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