Hello. Can somebody tell me in what cases a point x0 is not an extreme point, even tho f'(x0)=0? Thank you in advance!
Consider as an example the functionHello. Can somebody tell me in what cases a point x0 is not an extreme point, even tho f'(x0)=0? Thank you in advance!
Hello. Can somebody tell me in what cases a point x0 is not an extreme point, even tho f'(x0)=0? Thank you in advance!