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Question
Write the value of \[\lim_{x \to 0^-} \left[ x \right] .\]
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Solution
\[\lim_{x \to 0^-} \left[ x \right]\]
\[\text{ If } x = 0 - h, \text{ then } h \to 0 . \]
\[ \lim_{h \to 0} \left[ 0 - h \right]\]
\[ = - 1\]
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