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Determine whether(t_n) is an arithmetic sequence if:t_n=an+b |
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Answer» Solution :`t_n=an+brArrt_(n+1)=a(n+1)+b` Now `t_(n+1)-t_a={a(n+1)+b}-{an+b}=a` (constant) `THEREFORE(t_n)` is an ARITHMETIC SEQUENCE. |
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