Give an example of a series which is in A.P. as well as in G.P.
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Solution
Dear student,
Series 3,3,3,3,3,.....
is Ap as well as Gp
AP : Common difference(d) = a2-a1,
d = 3-3=0,
GP : Common difference(r) = a2/a1, r = 3/3 =1 ,
It is Gp as well as Ap with r=1,d=0