Cauchy sequence

  • Thread starter raw99
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raw99
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If 0<r<1 and |x(n+1) - x(n)| < r ^n for all n. Show that x(n) is Cauchy sequence.
help please.
 

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  • #2
dextercioby
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You may have at least written & used the definition of a Cauchy sequence...
 

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