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If a ,b,c are in G.P. and a^(x) =b^(y) =...

If a ,b,c are in G.P. and `a^(x) =b^(y) =c^(z)` then x,y,z are in

A

a) A.P.

B

b) G.P.

C

c) H.P.

D

d) None of these

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