- #1
Jhenrique
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Given a function ##f(x)##, the critical points are where ##f'=0## and the inflection points are where ##f''=0##. Given a function ##f(x,y)##, the critical points are where ##\vec{\nabla}f = \vec{0}##, so I can deduce that the inflection points are where ##Hf=0## . Correct?
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