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For any three positive real numbers a, b and c, `9(25a^2+b^2)+25(c^2-3ac)=15b(3a+c)` Then: (1) b, c and a are in G.P. (2) b, c and a are in A.P. (3) a, b and c are in A.P (4) a, b and c are in G.P

A

b,c and a are in G.P.

B

b,c and a are in A.P.

C

a,b and c are in A.P.

D

a,b and c are in G.P.

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The correct Answer is:
B
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