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ehidna [41]
4 years ago
14

Find the 133rd term in the sequence: -7, -2, 3, 8

Mathematics
1 answer:
Oxana [17]4 years ago
4 0
There is a common difference between terms of 5, which means the sequence is given recursively by

\begin{cases}a_1=-7\\a_n=a_{n-1}+5&\text{for }n>1\end{cases}

and explicitly by

a_n=-7+5(n-1)=5n-12

This means the 133rd term in the sequence is a_{133}=5(133)-12=653
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