Question

3. For the following APs, write the first term and the common difference:
(i) 3,1,-1,-3, ...
(ii) - 5,-1,3,7,...
1
5 9 13
(iii) 3' 3' 3 3
(iv) 0.6, 1.7, 2.8, 3.9,...​

Answer 1

1) first term = 3

d = -2

2) first term = -5

d = 4

3) first term = 3

d = 0

4) first term = 0.6

d = 1.1

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