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[Post New]13 Mar 2008 17:51:24 IST
    Subject: integral challenge
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piit.jak (84)

Cool goIITian

Olaaa!! Perrrfect answer. 16  [18 rates]
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total posts: 33    
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prove that
 
 
[ 0][a ] log(1+ax)  / 1+ x2 dx
 
is 1/2 ( tan-1 a)  log (1+a2)
A ship is always safe at the shore but it was not built for that.
    
 

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