a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3

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a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3

a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3
a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3

a+x/x+1 ,x/x^2-2x-3 ,a/x^2+4x+3
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