SOLUTION: Rationalize the denominators. assume that all numbers under the rationals express positive numbers. (√r-√s)/(√r+√s)

SOLUTION: Rationalize the denominators. assume that all numbers under the rationals express positive numbers. (√r-√s)/(√r+√s)

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Question 388247: Rationalize the denominators. assume that all numbers under the rationals express positive numbers.
(√r-√s)/(√r+√s)
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
(√r-√s)/(√r+√s)
=(√r-√s)/(√r+√s) * (sqrt(r)-sqrt(s))/(sqrt(r)-sqrt(s))
=(r-2sqrt(rs)+s)/(r-s)
.
Ed

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