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please handwritten detailed solution f(x) = x exp(-2x). Which of the following statements is true? A f(x) has a min at x = 1/2 B

please handwritten detailed solution

f(x) = x exp(-2x). Which of the following statements is true? A f(x) has a min at x = 1/2 B f(x) has a max at x = 1 / 2 C f(x) has an inflexion point at x = 2 D f(x) has no stationary points at all

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