Question

Which of the following form an AP? Justify your answer.

(i) -1, -1, -1, -1,…..

(ii) 1, 1, 2, 2, 3, 3,…
(iii) 1/2,1/3,1/4.....
(iv) 2, 2square, 2cube,2power foure
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Answer 1

Answer:

I am not understand the question pls send it correctly

Answer 2

Answer:

(i)-1,-1,-1,-1,... Form an AP

Because...