Express each of the following as a rational expression. (x+1)/(x-1)+( – InterviewSolution

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1.	Express each of the following as a rational expression. (x+1)/(x-1)+(x-1)/(x+1):
Answer» `1/2((x^2+1)/(x^2-1))` `(x^2+1)/(x^2-1)` `2(x^2+1)/(x^2-1)` `(x^2-1)/(x^2+1)` ANSWER :C

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