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Let a(n)=[log((7)/(5))]^(n) and b(n) =lo...

Let `a_(n)=[log((7)/(5))]^(n) and b_(n) =log_(5) (a_(n)) AA n in N`. Then `b_(1),b_(2),b_(3),…` are in

A

A.P

B

G.P

C

H.P

D

A.G.P

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