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Mathematics
Mathematics
Problem
Calculate
lim
x
→
∞
cos
(
x
2
)
x
\displaystyle\lim_{x\to\infty}\frac{\cos\left(\dfrac{x}{2}\right)}{x}
x
→
∞
lim
x
cos
(
2
x
)
. a)
∞
\infty
∞
b) Does not exist c) 0 d) 1
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