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Let a,b,c,d and p be any non zero disti...

Let a,b,c,d and p be any non zero distinct real numbers such that `(a^(2) + b^(2) + c^(2))p^(2) - 2(ab+bc+cd)p+ (b^(2) + c^(2) + d^(2))=0`. Then :

A

a,c,p are in A.P.

B

a,c,p, are in G.P.

C

a,b,c,d are in G.P.

D

a,b,c,d are in A.P.

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