Let f: R² → R be a continuously differentiable function. Let F= Vf. Let r(t) = semicircular path with parametrization r (t) for t € [0, π]. Let C′ be the counterclockwise semicircular path with parametrization r(t) for t = [T, 2π]. Suppose that fF.dr = 3. What is fF.dr? It must be 3. It must be -3. It must be 0. cost sint There is not enough information to determine its value. Let C be the counterclockwise

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