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Unformatted text preview: A = 1 2 . 3. (50 points) Generalize the results from class and nd similar estimates for N n =1 r 3 ( n ) by counting the grid points in the sphere of radius N . Here, r 3 ( n ) counts the number of ways to write n as a sum of 3 squares. 4. (extra) Find a convincing argument that every simple closed polygon can be cut into triangles by adding a sequence of straight lines between two vertices....
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- Spring '09