Question

2. In an AP if d = -2, n = 5 and = 0, then the value of ‘a’ is

a) 10 b) 5 c) -8 d) 8​

Answer 1

Hello friend here is your answer.

$d = - 2 \: and \: n = 5 \: and \: a_{n} = 0$

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

$0 = a + (5 - 1)( - 2)$

$0 = a + (4)( - 2) \\ 0 = a - 8 \\ a = 8$

hope it's help you.