Solution
Solution
Solution steps
Find where is equal to zero or undefined
Identify critical points not in domain
Domain of
All critical points are in domain
Popular Examples
critical f(x,y)=12x-x^3-4y^2critical f(x)=ln(1+x)critical f(x,y)=1+4x+4y^3-x^4-y^4critical f(x)=3x^3-9xcritical f(x)=3x+1/2 sin(6x)
Frequently Asked Questions (FAQ)
What is the critical f(x)=3x^3-5x ?
The critical f(x)=3x^3-5x is x=-(sqrt(5))/3 ,x=(sqrt(5))/3