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Limits & Continuity
hard
0:00.0
Find
lim
x
→
∞
(
x
2
+
4
x
−
x
)
\lim_{x \to \infty} (\sqrt{x^2 + 4x} - x)
lim
x
→
∞
(
x
2
+
4
x
−
x
)
.
A
0
0
0
B
1
1
1
C
2
2
2
D
4
4
4
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