Question: 2. Let {x()) be a sequence in R and u E R. Show that {x()), converges to u if and only if every subsequence of

2. Let {x()) be a sequence in R" and u E
R". Show that {x()), converges to u if and only if every

2. Let {x()) be a sequence in R" and u E R". Show that {x()), converges to u if and only if every subsequence of {x)). also converges to u

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