Solution

critical

Solution

Solution steps
Find where is equal to zero or undefined
Identify critical points not in domain
Domain of
is not defined at , therefore:

Graph

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Popular Examples

critical f(x,y)=e^{((x^4+y^4))/4}critical xsqrt(25-x^2)critical f(x)=(2-x)^{1/3}critical f(x)=x^2+2x-6critical f(x)=ln(x^2+x+1)

Frequently Asked Questions (FAQ)

  • What is the critical (x^2+1)/(x^2-1) ?

    The critical (x^2+1)/(x^2-1) is x=0