Question: Consider the vector field F(x,y) = -y i + x j and the line integral - F . dr once in the counter-clockwise C direction

Consider the vector field F(x,y) = -y i + x j and the line integral - F . dr once in the counter-clockwise C direction around the curve C given by x"+ y=1. Select the best description of that line integral: O A. positive O B. negative O C. zero, because it is conservative O D. none of the above

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