Posted by **Smith** on Tuesday, November 8, 2011 at 9:11pm.

Rationalize the denominator, assume that all expressions under radicals represent postive numbers.

sqrt:a - sqrt:b/sqrt:a + sqrt:b

- algebra -
**Lexi**, Tuesday, November 8, 2011 at 9:14pm
(a-2sqrt:ab+b)/(a-b)

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