Math Question: What are the values of n, x, and y that satisfy Fermat's Last Theorem, stating that for any positive integer n greater than 2, there are no whole number solutions to the equation: x^n + y^n = z^n? Provide an example for n=3.
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What is the real solution(s) of the cubic equation 2x^3 + 5x^2 - 3x - 1 = 0?
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What is the standard deviation of the following dataset: {5, 8, 12, 15, 19}?