Determine all stationary points of f(x)=x3−4x2+6x.
Antwoord 1 correct
Correct
Antwoord 2 optie
x=4+12√40 and x=4−12√40.
Antwoord 2 correct
Fout
Antwoord 3 optie
x=0 and x=223
Antwoord 3 correct
Fout
Antwoord 4 optie
x=0
Antwoord 4 correct
Fout
Antwoord 1 optie
There are no stationary points.
Antwoord 1 feedback
Correct: f′(x)=3x2−8x+6. D=(−8)2−4⋅3⋅6=−8<0 and hence, f′(x) has no zeros, which implies that f(x) has no stationary points.
Go on.
Go on.
Antwoord 2 feedback
Antwoord 3 feedback
Antwoord 4 feedback