(i) 2, 4, 8, 16, …
(ii) 2, 5/2, 3, 7/2, ….
(iii) –1.2, –3.2, –5.2, –7.2,…
(iv) –10,–6,–2, 2,…
(v) 3, 3 + √2, 3 + 2√2, 3 + 3√2,…
(vi) 0.2, 0.22, 0.222, 0.2222,…
(vii) 0,–4,–8,–12,…
(viii) -1/2, -1/2, -1/2,….
(ix) 1, 3, 9, 27,…
(x) a, 2a, 3a, 4a,…
Which of the following are APs ? If they form an AP, find the common difference d and write three more terms.
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