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- Mathematics (MA)
9. evaluate f.dr where c f (r, y) = zy' i + (2y+ 3=) j and cis the portion of z = y - 1 from y=-2to y= 2 followed by the line segment from(3,2) to (0,0) which i
9. Evaluate F.dr where C F (r, y) = zy' i + (2y+ 3=) j and Cis the portion of z = y - 1 from y=-2to y= 2 followed by the line segment from(3,2) to (0,0) which in turn is followed by the line segment from 0,0) to (3, -2). See the sketch below.
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Arzoo
Attachment 2
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Kiran goswami
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see attachment
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what's the problem?
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why the answer is different by both methods
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no it's not possible we have some silly mistakes .
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in green theorem we get answers 14 and by applying proper methods we get -14 it is only because green theorem give us answer in anti clockwise directions but in diagram we see that the path is clock wise so only difference is negative signs.
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Arzoo
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see the attachment
![cropped4847705078559708.jpg]()
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Kiran goswami
plese again see attachment