Solved: Suppose that is continuous on a disk that contains
Chapter 15, Problem 15.439(choose chapter or problem)
Suppose that is continuous on a disk that contains the point . Let be the closed disk with center and radius . Use the Mean Value Theorem for double integrals (see Exercise 50) to show that lim rl0 1 r 2 yy Dr f x, ydA fa, b r
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