a,a^2,a^3,a^4,............
find that it is an AP or not with solution thanks
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No , bro it not in AP because it's common difference it not same
Ie, a^2-a = a(a-1)
And a^3-a^2= a(a^2-a) .
Which is not equal
a(a-1) is not equal to a(a^2-a).
But , actually it is in GP because it common ratio is same .
Ie, r= a^2/a=a.
r = a^3/a^2=a.
Which is same a = a
Therefore it is in GP.
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