1.

Determine whether(t_n) is an arithmetic sequence if:t_n=an+b

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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