Find the first term of the sequence, where $t_{n} = 2 n + 1$ .

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Solution

Here, $t_{n} = 2 n + 1$
For n $= 1, t_{1} = 2 \times 1 + 1 = 3$
$∴$ The first term of the sequence is $3$ .`

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Similar questions

Write the first four terms of the sequence whose nth term is

(a) T_n = 2n − 1

(b) T_n = 5 − 2n

(d) T_n = 3ⁿ⁺¹

t_{n} = 2 n + 3

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t_{n} = \frac{1 + (- 2)^{n}}{n - 1}

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