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Question
Which of the following sequences are in arithmetic progression?
2, 6, 10, 14, .....
Solution
2, 6, 10, 14, .....
d1 = 6 – 2 = 4
d2 = 10 – 6 = 4
d3 = 14 – 10 = 4
Since d1 = d2 = d3, the given sequence is in arithmetic progression.
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