Question

2. Which of the following are APs ? If they form an AP, find the common difference d and
write three more terms.
(i) 2, 4, 8, 16.
(ii) 2, 5/2,3,7/2
(ii) -1.2, -3.2, -5.2, -7.2,
(iv) -10, -6, -2,2, ..
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Answer 1

Step-by-step explanation:

(i) No

(ii) yes, CD 0.5

2, 5/2, 3, 7/2, 4,9/2,5

(iii) Yes, CD is -2

-1.2,-3.2,-5.2,-7.2,-9.2,-11.2,-13.2

(iv) Yes, CD is 4

-10,-6,-2,2,6,10,14