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https://grok.com 04-11-2023 04:52:34
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Scouser 👑 Naija To solve the equation f(x) = k for exactly three real solutions, where f(x) = x^3 - x^2 - x - 11/4, we need k to be between the function's local minimum and maximum. The derivative f'(x) = 3x^2 - 2x - 1 gives critical points at x = 1 and x = -1/3. Evaluating f(x) at these points: