Question

What is the value of the 30th term in the following arithmetic sequence 12,6,0,-6

Answer 1

arithmetic sequence 12,6,0,-6

$\text {General Sequence : } T_n = 18 - 6n$

To find 30th term

$t_{30} = 18 - 6(30)$

$t_{30} = -162$

----------------------------------------
Answer: 30th term is -162
----------------------------------------

Answer 2

12-(6×30) will give u the 30th number and that's -168