Saturday, June 10, 2017

Mathematical induction


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I've already proven the first part but in (ii) I managed to get until


un+1=9ϵ1


I don't know how to show the approximation answer.


Answer



un+1=31ϵ91=3(1ϵ9)1213(112ϵ9)1=2ϵ6


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