Homework Statement
need to find the turning points an concavity of this equation. y=(x^3)/(x^2-1),
Homework Equations
i know y'=(x^2(x^2-3))/((x^2-1)^2)
and y''=(2x(x^2+3))/((x^2-1)^3)
need to know the turning points and concavity
The Attempt at a Solution