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Line integration homework question

  1. Nov 27, 2011 #1
    1. The problem statement, all variables and given/known data
    Consider two expressions (df=ydx-xdy) and (dg=ydx+xdy). One is an exact differential, the other is not. Evaluate the line integral for each over the following paths:

    a) in a straight line form (1,1) to (2,2)
    b) a straight line from (1,1) to (2,1), then a straight line from (2,1) to (2,2)
    c) A closed loops consisting of straight lines from (1,1) to (2,1) to (2,2) to (1,1)


    2. Relevant equations



    3. The attempt at a solution
    a)
    Well I know dy/dx = 1, so y=x for this first equation... so I think from (1,1) to (2,2) ydx-xyd = 0? .... euh
     
  2. jcsd
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