\[ \lim _{x \rightarrow 0} \frac{|x|}{x}= \] (a) 1 (b) -1 (c) 0 (d) Does not exist

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\[
\lim _{x \rightarrow 0} \frac{|x|}{x}=
\]
(a) 1
(b) -1
(c) 0
(d) Does not exist
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