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nth Term of A.P

Find the firs...

Question

Find the first term of the sequence whose $n^{t h}$ is given as:
$t_{n} = 4 n - 3$

A

2

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B

1

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C

3

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D

4

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Solution

The correct option is B $1$

$n^{t h}$ term of a sequence is given as
$t_{n} = 4 n - 3$
So, first term can be obtained by substituting $n = 1$
$∴ t_{1} = 4 \times 1 - 3 = 1$
Hence, the answer is $1$ .

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