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(i) Verify that the numbers given alongs...

(i) Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also verify the relationship between the zeroes and the coefficients in this case:
`2x^2+x^2-5x+2, 1/2,1,-2`
(ii) Verify that the numbers given alongside of the cubic polynomials below are their zeroes. Also verify the relationship between the zeroes and the coefficients in this case:
`x^3-4x^2+5x-2,2,1,1`

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