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lovetolive123


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[tex]\int_{1}^{\frac{1+\sqrt{5}}{2}}\frac{1+\frac{1}{X^2}}{(X^2-1+\frac{1}{X^2}}dx[/tex]
......???
[tex]\int_{1}^{\frac{1+\sqrt{5}}{2}}\frac{1+\frac{1}{X^2}}{(X^2-1+\frac{1}{X^2}}dx[/tex]
......???
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