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Problem
Problem
Evaluate
lim
x
→
0
(
1
+
5
x
2
1
+
3
x
2
)
1
/
x
2
\lim_{x \to 0} \left( \frac{1 + 5x^2}{1 + 3x^2} \right)^{1/x^2}
lim
x
→
0
(
1
+
3
x
2
1
+
5
x
2
)
1/
x
2
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