The sum of the first n positive perfect squares, where n is a positive integer, is given by the formula {n^{3}\over{3}}+cn^{2}+\frac{n}{6}, where c is a constant. What is the sum of the first 15 positive perfect squares?
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A1,010
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B1,164
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C1,240
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D1,316
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E1,476
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正确答案: C