Which of the following form AP 1,1,2,2,3,3....., 0.3,0.33,0.333....., 1/2,1/4,1/8.... √2,√8,√18,√32...
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option B because common difference is same.
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we know that in A.p
d=an+1-an
option b is an g.p
option c is a g.p not a.p
similarly d is not a a.p as it does not fulfill the condition d=an+1-an
option (a)
1,1,2,2,3,3,............fulfills the condition of a.p
as after every two terms there is a difference of 1
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