10. (10 points) Evaluate the line integral dy, where C is the arc of the the circle x2 + y2 = 4 traversed counter-clockwise from (2,0) to (-2,0).
阿摩線上測驗
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阿摩線上測驗
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dy, where C is the arc of the the circle x2 + y2 = 4 traversed counter-clockwise from (2,0) to (-2,0).