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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
2
x
2
−
4
x
x
+
2
−
4
\displaystyle \lim_{x\to 2}\frac{x^{2}-4}{x\sqrt{x+2}-4}
x
→
2
lim
x
x
+
2
−
4
x
2
−
4
.
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