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If |x^2-5x+3 2x-5 3 3x^2+x+4 6x+1 9 7x^...

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=0`

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