Question

5. Simplify the rational expression.
(a) (x^2+3x+2)/(x^-x-2)

b. ((2x^2-x-1)/(x^2-9))*((x+3)/(2x+1))

c. (x^2)/(x^2-4)-(x+1)/(x+2)

d. ((y/x)-(x/y))/((1/y)-(1/x))

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Calculus

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