Find the third term of the following sequence, whose $n^{t h}$ term is given.
$t_{n} = 2 n - 5$

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Solution

Given, $t_{n} = 2 n - 5$
$∴ t_{1} = 2 \times 1 - 5 = - 3$
$t_{2} = 2 \times 2 - 5 = - 1$
$t_{3} = 2 \times 3 - 5 = 1$
$∴$ $3^{r d}$ term of the given sequence is $t_{3} = 1$

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