Question

(v) a=-1.25, d=-0.25
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)
2
(iv) 0.6, 1.7, 2.8,3.9,...
3 3 3 3​

Answer 1

(i) Here, first term (a) = 3

Common difference (d) = 1 - 3 = -2

(ii) Here, first term (a) = -5

Common difference (d) = (-1) - (-5) = 4

(iii) Here, first term (a) = 1

Common difference (d) = 5 - 9 = -4

(iv) Here, first term (a) = 3

Common difference (d) = 3 - 3 = 0

Answer 2

Step-by-step explanation:

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