Question 206070
3/(x+1) +2/(x-1)
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LCD = (x+1)(x-1) = x^2 -1
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{ 3(x-1)+2(x+1) }/ { (x+1)(x-1)}
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{ 3x-3+2x+2 } / {x^2 -1}
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{5x -1} / {x^2 -1}
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check,  Let  x=2,original  and  answer  = 3
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