Question: Number of critical points of f (x) = $\frac{|x^{2} - 1|}{x^{2}}$ is...

Question

Number of critical points of f (x) = $\frac{|x^{2} - 1|}{x^{2}}$ is

Answer 1

Clearly f (x) is not differentiable at x = 1 and x = –1

(x = 0 is not a critical point as it is not in the domain). Therefore 1 and –1 are critical points

Question: Number of critical points of f (x) = \(\frac{|x^{2} - 1|}{x^{2}}\) is...