If \[f(x)=\left| 1-x \right|,\] then the points where \[{{\sin }^{-1}}(f\left| x \right|)\] is non-differentiable are

If \[f(x)=\left| 1-x \right|,\] then the points where \[{{\sin }^{-1}}

1.	If \[f(x)=\left\| 1-x \right\|,\] then the points where \[{{\sin }^{-1}}(f\left\| x \right\|)\] is non-differentiable are
A.	\[\left\{ 0,1 \right\}\]
B.	\[\left\{ 0,-1 \right\}\]
C.	\[\left\{ 0,1,-1 \right\}\]
D.	None of these
Answer» D. None of these

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If \[f(x)=\left| 1-x \right|,\] then the points where \[{{\sin }^{-1}}(f\left| x \right|)\] is non-differentiable are

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