1. Define F(x, y) = Vf(x, y) where f(x, y) = cos(x + y?) + 5x. If C is the unit circle (oriented in the positive direction) then: %3D F dr = %3D If K is the portion of the unit circle in the first quadrant (oriented in the positive direction) then: F dr = 2. If G(x, y) at (0,0), (1,0), (1, 1) and (0, 1) then: (3x°y + 12x, 5x*y + 25y) and S is the square path (oriented positively) with vertices G dr = %3D

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