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Consider points P and Q in the x-y plane with P...

This question belongs to Engineering Maths Calculus
Calculus
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Consider points P and Q in the x-y plane, with P = (1, 0) and Q = (0, 1). The line integral \[2\int\limits_{\rm{P}}^{\rm{Q}} {\left( {{\rm{xdx}} + {\rm{ydy}}} \right)} \]    along the semicircle with the line segment PQ as its diameter

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Correct Answer: Option B
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