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Janaka RodrigoLevel 2

Asked: February 24, 20232023-02-24T15:54:36+05:30 2023-02-24T15:54:36+05:30In: Calculus ( කලනය )

Existence of a local minimum

2

Second derivative being a positive value at a point is not a necessary and sufficient condition to exist a local minimum at that particular point and the proof of this was already asked in an advanced level exam. If so is it acceptable to use second derivative to check the existence of a local minimum ?