Question

Consider arthmatic sequnce of 3,8,13

Answer 1

Answer:

$a_{n} = 5n - 2$ ($n$ ∈ N = 1, 2, 3...)

Series: 3, 8, 13, 18, 23, 28...

Step-by-step explanation:

a = 3

d = 5

$a_{n} = a + (n-1) d$

∴ $a_{n} = 3 + (n-1)5$

∴ $a_{n} = 3 + 5n - 5$

∴ $a_{n} = 5n - 2$

Therefore, $nth$ term is $5n - 2$

Series can be: 3, 8, 13, 18, 23, 28...

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