Q3 Which of the following lists of numbers form an A.P., If they form an A.P., find the common difference d and write the next three terms:
(i) 4, 10, 16, 22, …
(ii) -2, 2, -2, 2, …
(iii) 2, 4, 8, 16, …
(iv) 2, 5/2, 3, 7/2, …
(v) – 10, -6, -2, 2, …
(vi) 1², 3², 5², 7², …

Solution

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