How to find limits of integration of a parallelogram with these vertices?












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I have to verify Green's theorem for a question with the region being a parallelogram with vertices $(0,0), (1,1),(2,0),(3,1) $ and I'm having trouble with the standard approach of finding limits of integration with Fubini’s Theorem. Now here is where I'm having the problem.



I know that if I'm integrating first with respect to y and then with respect to x, I have to draw a vertical line cutting through the region R in the direction of increasing y and the upper and lower cuts mark the corresponding limits of y as functions of x. I have found x limits to be from 0 to 2 but I'm having a lot of trouble with limits of y.



It seems like the line enters at $y = 0$ and leaves at $y = 1 $. How do you write them as functions of x? Thank you.



I have uploaded a picture to show my attempt and where I got stuck.
My attempt










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    1












    $begingroup$


    I have to verify Green's theorem for a question with the region being a parallelogram with vertices $(0,0), (1,1),(2,0),(3,1) $ and I'm having trouble with the standard approach of finding limits of integration with Fubini’s Theorem. Now here is where I'm having the problem.



    I know that if I'm integrating first with respect to y and then with respect to x, I have to draw a vertical line cutting through the region R in the direction of increasing y and the upper and lower cuts mark the corresponding limits of y as functions of x. I have found x limits to be from 0 to 2 but I'm having a lot of trouble with limits of y.



    It seems like the line enters at $y = 0$ and leaves at $y = 1 $. How do you write them as functions of x? Thank you.



    I have uploaded a picture to show my attempt and where I got stuck.
    My attempt










    share|cite|improve this question











    $endgroup$















      1












      1








      1





      $begingroup$


      I have to verify Green's theorem for a question with the region being a parallelogram with vertices $(0,0), (1,1),(2,0),(3,1) $ and I'm having trouble with the standard approach of finding limits of integration with Fubini’s Theorem. Now here is where I'm having the problem.



      I know that if I'm integrating first with respect to y and then with respect to x, I have to draw a vertical line cutting through the region R in the direction of increasing y and the upper and lower cuts mark the corresponding limits of y as functions of x. I have found x limits to be from 0 to 2 but I'm having a lot of trouble with limits of y.



      It seems like the line enters at $y = 0$ and leaves at $y = 1 $. How do you write them as functions of x? Thank you.



      I have uploaded a picture to show my attempt and where I got stuck.
      My attempt










      share|cite|improve this question











      $endgroup$




      I have to verify Green's theorem for a question with the region being a parallelogram with vertices $(0,0), (1,1),(2,0),(3,1) $ and I'm having trouble with the standard approach of finding limits of integration with Fubini’s Theorem. Now here is where I'm having the problem.



      I know that if I'm integrating first with respect to y and then with respect to x, I have to draw a vertical line cutting through the region R in the direction of increasing y and the upper and lower cuts mark the corresponding limits of y as functions of x. I have found x limits to be from 0 to 2 but I'm having a lot of trouble with limits of y.



      It seems like the line enters at $y = 0$ and leaves at $y = 1 $. How do you write them as functions of x? Thank you.



      I have uploaded a picture to show my attempt and where I got stuck.
      My attempt







      calculus multivariable-calculus






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      edited Jan 20 at 6:22







      tNotr

















      asked Jan 19 at 9:53









      tNotrtNotr

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      142






















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          It is something like,



          $$int_{y=0}^{1}int_{y}^{y+2} left(...right)dxdy$$






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            1 Answer
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            active

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes









            0












            $begingroup$

            It is something like,



            $$int_{y=0}^{1}int_{y}^{y+2} left(...right)dxdy$$






            share|cite|improve this answer









            $endgroup$


















              0












              $begingroup$

              It is something like,



              $$int_{y=0}^{1}int_{y}^{y+2} left(...right)dxdy$$






              share|cite|improve this answer









              $endgroup$
















                0












                0








                0





                $begingroup$

                It is something like,



                $$int_{y=0}^{1}int_{y}^{y+2} left(...right)dxdy$$






                share|cite|improve this answer









                $endgroup$



                It is something like,



                $$int_{y=0}^{1}int_{y}^{y+2} left(...right)dxdy$$







                share|cite|improve this answer












                share|cite|improve this answer



                share|cite|improve this answer










                answered Jan 19 at 11:34









                Satish RamanathanSatish Ramanathan

                10k31323




                10k31323






























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