1.

If f(x)=|log_e(x||, then f'(x)equals.

Answer»

`1/(|X|)`, where `x != 0`
`1/x"for"|x|gt1and-1/x"for"|x|lt1`
`-1/x"for"|x|gt1and-1/x"for"|x|lt1`
`1/x"for"|x|gt0and-1/x"for"|x|lt1`

ANSWER :B


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