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    IBMediumCalculus10–12

    Find the second derivative of f(x) = x^{3} - 6x^{2} + 9x.

    Determina a segunda derivada de f(x) = x^{3} - 6x^{2} + 9x.

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    Solution

    f'(x) = 3x^{2} - 12x + 9. f''(x) = 6x - 12