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Mathematics
Problem
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lim
x
→
0
e
1
/
x
−
1
e
1
/
x
+
1
\lim_{x \to 0} \frac{e^{1/x} - 1}{e^{1/x} + 1}
lim
x
→
0
e
1/
x
+
1
e
1/
x
−
1
does not exist.
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