Q3 of 105 Page 133

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

In the above series first term (a) is

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

⇒ d = –

⇒ d =

3, 1, -1,-3

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

-5, -1, 3, 7

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

0.6, 1.7, 2.8, 3.9

Which of the following are APs? If they form an AP, find the common difference d and write three more terms.

2, 4, 8, 16.

Questions · 105

6. Progressions

1 1 1 1 2 2 2 2 2 3 3 3 3 4 4 4 4 4 4 4 4 4 4 4 4 4 1 2 2 3 3 3 3 3 4 5 5 6 7 8 9 10 11 12 13 14 15 16 17 1 1 1 1 2 2 2 3 3 3 3 3 3 3 4 5 6 7 7 8 9 10 11 12 13 14 1 1 1 2 2 2 2 3 3 3 3 3 3 3 3 3 4 1 1 1 1 2 3 3 4 4 4 5 6 7