SOLUTION: Rationalize the denominator. Assume that all expressions under radicals represent positive numbers. SQRT of x - SQRT of y / SQRT of x + SQRT of y Simplify and use radicals a

Question 323184: Rationalize the denominator. Assume that all expressions under radicals represent positive numbers.
SQRT of x - SQRT of y / SQRT of x + SQRT of y
Simplify and use radicals as needed
Answer by QH(50) (Show Source): You can put this solution on YOUR website!
To rationalize a denominator you need to remove the radical. When your denominator has more than one term, you multiply the numerator and denominator by the conjugate (opposite) of the denominator. Meaning if your denominator is the conjugate would be
so...

multiply by FOIL both the numerator and denominator

simplify

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