Question: Find the 4th derivative of f(x) = 5x^3 + 2x^2 - x + 6.
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What is the period and asymptotes of the function f(x) = cot(x)?
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Math question: Find a positive integer solution to the equation x^n + y^n = z^n for n > 2, as per Fermat's Last Theorem. Solve for x, y, and z separately using n=3.