Question 627279
Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. 
3-√a/5+√a
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Multiply numerator and denominator by 5-sqrt(a) to get:
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[(3-sqrt(a)(5-sqrt(a)]/[25-a)
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= [15+a-8sqrt(a)]/(25-a)
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Cheers,
Stan H.
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