Which condition must a sequence satisfy to be a Cauchy sequence?
- Its terms must be positive.
- Its terms must become arbitrarily close to one another.
- Its terms must be increasing.
- None of these
Explanation
In a Cauchy sequence, terms become arbitrarily close to each other.
This condition is based on the distance between terms.
A Cauchy sequence does not have to be positive or increasing.
Last verified on 14-11-2026
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