Answer to Question #87020 in Calculus for Nilesh Saini

Question

7. a) Show that ( ) n n ∇ ⋅ r r = (n+ 3)r r r . (5)
b) Using Green’s Theorem evaluate the integral ∫ − C (x ydx xy dy) 2 2 where C is the
circle 4 2 2
x + y = oriented counter clockwise.

Answer 1

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