Evaluate the line integral by two methods: (a) Directly (b) Using Green's Theorem. C is the circle

Question:

Evaluate the line integral by two methods:

(a) Directly 

(b) Using Green's Theorem. 

f (x  y) dx + (x + y) dy,

C is the circle with center the origin and radius 2


Data from Green's Theorem

Let C be a positively oriented, piecewise-smooth, simple closed curve in the plane and let D be the region bounded by C. If P and Q have continuous partial derivatives on an open region that contains D, then

If | Pdx + Q dy = D    dA

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Related Book For  book-img-for-question

Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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