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  1. 01-03-2015, 11:07 PM Top | #1
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  3. 01-04-2015, 10:03 AM Top | #2
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  5. 01-04-2015, 10:17 PM Top | #3
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    x ٢
    Let y=sqrt( 2+x. /2-x )
    Then the integral= integral from0 to infinity of 8 y^2/ (y^2+1)^2

    Let y =tan z
    2 pi
    ; 01-04-2015 11:34 PM

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