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Let aaa, bbb, and ccc be the roots of the polynomial x3+x−1x^3+x-1x3+x−1. Find
1+a1−a+1+b1−b+1+c1−c\dfrac{1+a}{1-a}+\dfrac{1+b}{1-b}+\dfrac{1+c}{1-c}1−a1+a+1−b1+b+1−c1+c
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