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)=xy^2+12x^3y-xycritical f(θ)=18cos(θ)+9sin^2(θ)critical y=x^2-32sqrt(x)critical x^2+2xy+3y^2critical x^3-3x^2-9x+11
Frequently Asked Questions (FAQ)
What is the critical x^3-3x+5 ?
The critical x^3-3x+5 is x=-1,x=1