Mathematics
For any three positive real numbers \(a,b\) and \(c\),
\(9\left( 25a^{2} + b^{2} \right) + 25\left( c^{2} - 3ac \right) = 15b(3a + c)\).
Then
A
\(b,c\) and \(a\) are in A.P.
B
\(a,b\) and \(c\) are in A.P.
C
\(a,b\) and \(c\) are in G.P.
D
\(b,c\) and \(a\) are in G.P.
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