Question on: SS2 Mathematics - Sequence and Series
Write in simplest form the \(n\)th term of the sequence \(13,\ 8,\ 3,\ \ldots\)
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A
18 - 5n
B
\(\frac{18}{5n}\)
C
\(\frac{- 18}{5n}\)
D
\(\frac{13 - 5n}{n + 5}\)
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Correct Option: A
\(T_{n} = a + (n - 1)d\)
\(T_{n} = 13 + (n - 1)( - 5)\)
\(T_{n} = 13 - 5n + 5\)
\(T_{n} = 13 + 5 - 5n\)
\(T_{n} = 18 - 5n\)
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