Consider points P and Q in the x-y plane, with P = (1, 0) and Q = (0, – McqOptions

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1.	Consider points P and Q in the x-y plane, with P = (1, 0) and Q = (0, 1). The line integral 2 (xdx + ydy) along the semicircle with the line segment PQ as its diameter
A.	is - 1
B.	is 0
C.	is 1
D.	depends on the direction (clockwise or anti-clockwise) of the semicircle
Answer» C. is 1

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