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If |(x^2-5x+3, 2x-5, 3) (3x^2+x+4, 6x+1,...

If `|(x^2-5x+3, 2x-5, 3) (3x^2+x+4, 6x+1, 9) (7x^2-6x+9, 14 x-6, 21)|` `=a x^3+b x^2+c x+d` then which of the following are correct? (a)`a=0` (b) `b=0` (c)`c=0` (d) `d=141`

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