Question: What is the smallest positive integer value of n satisfying the equation x^n + y^n = z^n for x, y, and z, as stated in Fermat's Last Theorem?
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Find the derivative of f(x) = sin(2x) - cos(3x).
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What is the limit of (x^3 - 2x^2 + 1) / (x^2 - 4) as x approaches 2?