Question

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
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Answer 1

Answer:

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Answer 2

2,4,8,16,............

a = 2

d = a2-a1 = 4-2 = 2

d = a3-a2 = 8-4 = 4

d = a4-a3 = 16-8 = 8

since, the 'd' is not same it is not in AP