Let A=[(3x^(2)),(1),(6x)], B=[(a,b,c)], ...

Let `A=[(3x^(2)),(1),(6x)], B=[(a,b,c)]`, and
`C=[((x+2)^(2),5x^(2),2x),(5x^(2),2x,(x+2)^(2)),(2x,(x+2)^(2),5x^(2))]` be three given matrices, where a, b, c and `x in R`. Given that tr (AB) = tr (C) `AA x in R`, where tr (A) denotes trace of A. If `f(x)=ax^(2)+bx+c`, then the value of f(1) is _______ .

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