Question: Question 3 The function f is defined, for x > 0, by f (x) = aln x - b(In ac) 2, where a and b

Question 3 The function f is defined, for x > 0, by f (x) = aln x - b(In ac) 2, where a and b are positive numbers. Show that f has one critical point. Determine whether it is a local maximum, a local minimum or a point of inflexion

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