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Mathematics
Mathematics
Problem
Compute
lim
x
→
1
x
2
−
1
x
−
1
\displaystyle \lim_{x\to 1} \dfrac{x^{2}-1}{\sqrt{x}-1}
x
→
1
lim
x
−
1
x
2
−
1
. a)
1
1
1
b)
8
8
8
c)
4
4
4
d)
2
2
2
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