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)=x^4+y^4+x^2y^2critical f(x)=(x^2+9)/xcritical f(x,y)=4x^3-12x+3xy^2critical f(x,y)=3xe^y-x^3-e^{3y}critical f(x)=x^5-5x^3-20x-2

Frequently Asked Questions (FAQ)

  • What is the critical sin^2(x)+cos(x) ?

    The critical sin^2(x)+cos(x) is x=2pin,x= pi/3+2pin,x=pi+2pin,x=(5pi)/3+2pin