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)=5x^4-6x^2+1critical 2x^4+4x^2-30critical f(x,y)=x^3-3xy^2+9y^2critical 7x^2ln(x)critical f(x,y)=3x^3-5y^2-255x+70y+23

Frequently Asked Questions (FAQ)

  • What is the critical x^3-2x^2-x+1 ?

    The critical x^3-2x^2-x+1 is x=(2-sqrt(7))/3 ,x=(2+sqrt(7))/3