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Mathematics
Mathematics
Problem
Evaluate
lim
x
→
∞
x
2
sin
(
2
x
)
cos
x
\displaystyle \lim_{x\to\infty} x^{2}\,\sin\!\left(\dfrac{2}{x}\right)\cos x
x
→
∞
lim
x
2
sin
(
x
2
)
cos
x
. a)
0
0
0
b)
+
∞
+\infty
+
∞
c) Does not exist d)
2
2
2
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