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Mathematics
Problem
Evaluate
lim
x
→
0
1
+
x
2
−
1
x
\displaystyle \lim_{x\to 0} \dfrac{\sqrt{1+x^{2}}-1}{x}
x
→
0
lim
x
1
+
x
2
−
1
. a)
1
2
\dfrac{1}{2}
2
1
b) The limit does not exist c) 0 d) 1
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