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thehieua1


[tex]\int\limits_{\sqrt{2}/2}^{1}\sqrt{1 - x^2}/x^6 dx[/tex]
[tex]\int\limits_{1}^{2}\sqrt{4 - x^2}/x dx[/tex]
[tex]\int\limits_{1}^{2}\sqrt{4 - x^2}/x dx[/tex]
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