tahayassen
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From first principles,
\underset { x\rightarrow { 0 }^{ + } }{ lim } |x|=1\\ \underset { x\rightarrow { 0 }^{ - } }{ lim } |x|=-1
But if you look at the graph of |x|, it appears that both limits are approaching 0.
O_O
\underset { x\rightarrow { 0 }^{ + } }{ lim } |x|=1\\ \underset { x\rightarrow { 0 }^{ - } }{ lim } |x|=-1
But if you look at the graph of |x|, it appears that both limits are approaching 0.
O_O