Show that the function f(x)=|x+1|+|x-1| for all x belongs to R, is not – InterviewSolution

1.	Show that the function f(x)=\|x+1\|+\|x-1\| for all x belongs to R, is not differentiable at points x= -1 and x=1.
Answer» Show that the function f(x)=\|x+1\|+\|x-1\| for all x belongs to R, is not differentiable at points x= -1 and x=1.

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