If a,b,c are non-zero real numbers then ...

If `a,b,c` are non-zero real numbers then `D=|[b^2 c^2, bc, b+c] , [c^2a^2, ca, c+a] , [a^2b^2, ab, a+b]|=` (A) abc (B) `a^2 b^2 c^2` (C) bc+ca+ab (D) 0

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