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Verify that the numbers given alongside the cubic polynomial below are their zeros.

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asked Jan 30, 2018 in Mathematics by sforrest072 (157,439 points) ● 60 ● 409 ● 933
edited Mar 5, 2018 by faiz

Verify that the numbers given alongside the cubic polynomial below are their zeros. Also verify the relationship between the zeros and the coefficients.

x3-4x2+5x-2; 2, 1, 1

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answered Jan 30, 2018 by mdsamim (213,225 points) ● 5 ● 10 ● 15
selected Jan 30, 2018 by sforrest072
 
Best answer

On comparing with general polynomial 

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