Question

find the 19th term of the A.P 12,16,20,24 ​

Answer 1

In AP 12, 16, 20, 24,...

⠀ ⠀⠀ ⠀ ⠀⠀ ⠀

a = 12

⠀ ⠀⠀ ⠀ ⠀⠀ ⠀

d = 16 - 12

⠀ = 4

⠀ ⠀⠀ ⠀ ⠀⠀ ⠀

$a_{19} = a + (19 - 1)d$

$a_{19} = a + 18d$

$a_{19} = 12 + 18 × 4$

$a_{19} = 12 + 72$

$\boxed{a_{19}= 84}$

Therefore, 19th term of AP 12, 16, 20, 24,... is 84

Answer 2

Answer:

The 19th term of the A.P 12,16,20,24... is 84.

hope it helps you✌