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Sequence

Find the firs...

Question

Find the first three terms of the following sequence, whose $n^{t h}$ term is
$t_{n} = 4 n - 3$

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Solution

Given: $t_{n} = 4 n - 3$
Put $n = 1, t_{1} = 4 (1) - 3 = 1$
Put $n = 2, t_{2} = 4 (2) - 3 = 5$
Put $n = 3, t_{3} = 4 (3) - 3 = 9$
First three terms are $1, 5, 9$ .

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