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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: find the area between the curves
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[Post New]29 Mar 2008 14:51:10 IST
    Subject: find the area between the curves
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sweetgal17 (217)

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Olaaa!! Perrrfect answer. 35  [56 rates]
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the are of the region bounded by y=x2 and y=2/1+x2
(it's x square)
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[Post New]29 Mar 2008 19:48:15 IST
    Subject: Re:find the area between the curves
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paddy.dude (1154)

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we will get the pts of intersection as 1,-1
area = 2 [ 01  2/1+x2 dx - 01x2 dx ]
       = 2[  (2tan-1x)10 -   (x3/3)01 ]
       = 2 [  /2 - 1/3 ]
       =   - 2/3
       =  (3 - 2)/3

is this the answer

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