What is the maximum value of the function f(x) = -2x^3 + 5x^2 - 3x + 1 in the interval [-1, 2]?
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Math question: What is the smallest positive integer value of n that satisfies the equation x^n + y^n = z^n, where x, y, and z are distinct positive integers, according to Fermat's Last Theorem?
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What is the formula for finding the volume of a cube with side length s?