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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
1
−
∣
x
−
1
∣
x
−
1
\displaystyle \lim_{x\to1^{-}}\frac{|x-1|}{x-1}
x
→
1
−
lim
x
−
1
∣
x
−
1∣
. a)
1
1
1
b)
0
0
0
c)
−
1
-1
−
1
d) Does not exist
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