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Geometrical Meaning of Zeros of Polynomial

6. A cubic po...

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6. A cubic polynomial fx)axbx2 + cx + d hasa graph which touches the x-axis at 2, has anox-intercept at-1 and has y-intercept at -2 as shown. Thevalue of, a +b+c+ d equals to431/2 3 42

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Q. A cubic polynomial

f (x) = a x^{3} + b x^{2} + c x + d

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y = a x^{3} + b x^{2} + c x + d

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