Find the radial polynomial p(x, y) = a + br + cr 2 , where r 2
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Find the radial polynomial p(x, y) = a + br + cr2, where r2 = x2 + y2, that best approximates the function f(x, y) = x using the L2 norm on the unit disk D = {r ≤ 1} to measure the least squares error.
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