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(01-04-2015), (01-04-2015), (01-03-2015)
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(01-04-2015), (01-04-2015)
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
: 1 (0 1 )
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