I found a statement somewhere in my notes that if we have a higher order function and lets say we take the nth derivative of it. If n is odd and the result turns out to be any number except zero then we will not be able to tell whether the curve has a maxima or a minima at that point.why is it so? What's the reason behind it?
2026-04-07 09:38:45.1775554725
Maxima and minima nth derivative reasoning
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