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Posted by Ruthie on Wednesday, December 7, 2011 at 12:05pm.
perform indicated operations. (5ab)/(a^2-b^2)+(a+b)/(a-b)
5ab/(a+b)(a-b) + (a+b)/(a-b) = 5ab/(a+b)(a-b) + (a+b)^2/(a+b)(a-b) = (5ab + (a+b)^2)/(a+b)(a-b) = (a^2 + 7ab + b^2)/(a^2 - b^2)
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