Solution

critical points

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

extreme f(x)=x^3y+12x^2-8ycritical f(x,y)=2x^2+xy^2-6xy+5x+2critical f(x)=xsqrt(8-x^2)critical (x^3-1)^{2/3}critical f(x,y)=-11y^2+(x+16)^2+1

Frequently Asked Questions (FAQ)

  • What is the critical (x^2+1)/(x^2-4) ?

    The critical (x^2+1)/(x^2-4) is x=0