1.

Which of the following form an AP?

A. 1, 1, 2, 2, 3, 3, _ _ _ _ _
B. 0.3, 0.33, 0.333, _ _ _ _ _
C. √2, 2, 2√2, 4, _ _ _ _ _
D. 3, 3 + √2, 3 + 2√2, 3 + 3√3 _ _ _ _ _
Answer» E.


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