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  3. if (a_n) is a real cauchy sequence and b is also r

if (a_n) is a real cauchy sequence and b is also real, prove i) (|a_n|) is...

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Advance Math

if (a_n) is a real cauchy sequence and b is also real, prove

i) (|a_n|) is a cauchy sequence

ii) (ba_n) is also a cauchy sequence

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