For an open interval (-5, 5), find the extreme values of the function f(x) = x^3 - 3x^2 + 2x + 1.
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Math question: Given triangle ABC, where angle BAC measures 60Β° and the angle bisector of angle BAC intersects side BC at point D, if AC = 8 cm and AD = 4 cm, find the length of BD.
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Math question: What are the three positive integers that satisfy the equation x^n + y^n = z^n, for n > 2, as stated in Fermat's Theorem?