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Multivariable Calculus

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Evaluate the Circulation of the Vector Field

MVCALC-0NUJES

Evaluate the circulation of the vector field:

$$\vec{F} = \left \langle \frac{-y}{x^2+y^2}, \frac{x}{x^2+y^2} \right \rangle$$

...about the curve $C$ traversed counterclockwise.

A

$-4\pi$

B

0

C

$2\pi$

D

$4\pi$

E

None of the Above