Mathematics, 05.11.2019 06:31 dee3874

Prove that a cubic equation x 3 + ax 2 + bx+ c = 0 has 3 roots by finding the roots.

let x = r be a root of the cubic. factor out x - r using polynomial long division. then use the quadratic equation.

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Prove that a cubic equation x 3 + ax 2 + bx+ c = 0 has 3 roots by finding the roots.

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Prove that a cubic equation x 3 + ax 2 + bx+ c = 0 has 3 roots by finding the roots. let x = r be a root of the cubic. factor out x - r using polynomial long division. then use the quadratic equation.

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Another question on Mathematics

Prove that a cubic equation x 3 + ax 2 + bx+ c = 0 has 3 roots by finding the roots.

let x = r be a root of the cubic. factor out x - r using polynomial long division. then use the quadratic equation.