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Polynomial Function

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Could you please check my answers?

Find an nth degree polynomial function with real coefficients satisfying the given conditions.

1. n=3; 3 and i are zeros; f(2)=20
-I got: f(x)=-4^3+12x^2-4x+12

3.n=3;4 and i zeros;f(-3)=60
-I got:f(x)=6x^3+24x^2+6x+24

  • Polynomial Functions -

    Could you please check my answers?

    Find an nth degree polynomial function with real coefficients satisfying the given conditions.

    1. n=3; 3 and i are zeros; f(2)=20
    -I got: f(x)=-4^3+12x^2-4x+12

    3.n=3;4 and i zeros;f(-3)=60
    -I got:f(x)=6x^3+24x^2+6x+24

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