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/sci/ - Science & Math

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>> No.12096464 [View]
File: 2.31 MB, 3300x4394, IMG_20200907_211353_1.jpg [View same] [iqdb] [saucenao] [google]
12096464

I have to find the work done by the force acting counterclockwise once around a triangle with vertices (1,1), (3,1) and (3,2)
the force is F = (x + 2y)i + (6y - 2x)j
the answer is apparently -4 but I really don't see what I did wrong, pic related is my attempt

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