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The curve C, which goes along the circle of radius 3, from the point (3, 0) to the point (3, 0), and then in a straight line along the x-axis back to...
The curve C, which goes along the circle of radius 3,
from the point (3, 0) to the point (−3, 0), and then in a
straight line along the x-axis back to (3, 0)