CODEWITHSUNDEEP
maxima
nshepherd851
nshepherd851

Reputation: 11

How to find local maximum using wxmaxima

I have this; (x)=-(x^3+6*x^2-18*x)/(4*(x^2+2)); Have differentiated and tried to solve for x but get too many answers. graph

Upvotes: 0

Views: 1942

Answers (1)

Michael
Michael

Reputation: 5335

Use realroots to discard complex roots:

y:-(x^3+6*x^2-18*x)/(4*(x^2+2));
realroots(diff(y,x)=0),numer;
[x=-1.688117772340774,x=0.8158789575099945]

Upvotes: 1

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