find all open intervals on which the function f(x)= x/ x^2 + x -2 is decreasing

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- Jan 17th 2007, 11:22 PMgracyincreasing function
find all open intervals on which the function f(x)= x/ x^2 + x -2 is decreasing

- Jan 17th 2007, 11:47 PMCaptainBlack