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Real sequence/Infinity divergent subsequence/Exercise
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Give an example of a real sequence
(
x
n
)
n
∈
N
{\displaystyle {}{\left(x_{n}\right)}_{n\in \mathbb {N} }}
, such that it contains a subsequence that diverges to
+
∞
{\displaystyle {}+\infty }
and also a subsequence that diverges to
−
∞
{\displaystyle {}-\infty }
.
Create a solution