What is the proof of Fermat's Last Theorem for n=3?
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Find the integral of f(x) = 2x^3 - 5x^2 + 3x + 1 with respect to x.
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Question: Find the vertex form of the quadratic function y = x² - 4x - 5. Graph the function, and determine the vertex, axis of symmetry, and y-intercept. Identify if the parabola opens upward or downward.