What is the derivative of \[\left| x-1 \right|\] at\[x=2\]?

1.	What is the derivative of \[\left\| x-1 \right\|\] at\[x=2\]?
A.	-1
B.	0
C.	1
D.	Derivative does not exist
Answer» D. Derivative does not exist

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What is the derivative of \[\left| x-1 \right|\] at\[x=2\]?

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