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  • The function given by    is differentiable for all real n

The function given by  \mathrm{y=|| x|-1|}  is differentiable for all real numbers except the points :

Option: 1

\mathrm{\{0,1,-1\} }


Option: 2

\pm \mathrm{i}


Option: 3

1


Option: 4

-1


Answers (1)

best_answer

\mathrm{ y=|| x|-1|}

From graph, it is clear that  y  is not derivable at  \mathrm{ x=-1,0,1}

Posted by

himanshu.meshram

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