SOLUTION: Please help solve by rationalizing the denominator: 5 - √y over 4 + √y

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Question 338717: Please help solve by rationalizing the denominator:
5 - √y over 4 + √y

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Please help solve by rationalizing the denominator:
(5 - √y) over (4 + √y)
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Multiply numerator and denominator by (4-sqrt(y)) to get:
[(5-sqrt(y))(4-sqrt(y)]/[16-y]
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= [20+y +sqrt(y)]/[16-y]
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Cheers,
Stan H.

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