For the following APs, write the first term and the common difference.
3, 1, -1,-3

Question

For the following APs, write the first term and the common difference. 3, 1, -1,-3

Philoid · Accepted Answer

In the above series first term (a) is 3

Common difference (d) is given by 2^nd term - 1^st term

⇒ d = 1 -3

⇒ d = -2

For the following APs, write the first term and the common difference.3, 1, -1,-3