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  3. a sequence (xn) converges quadratically to x if th

A sequence (xn) converges quadratically to x if there is some Q ∈ R such that...

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Advance Math

A sequence (xn) converges quadratically to x if there is some Q∈ R such that |xn − x| ≤ Q/n^2

for all n ∈ N. Prove directly that if (xn) convergesquadratically, then it is also Cauchy.

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Cauchy sequence A sequence is called    See Answer
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