Question

Find a cubic polynomial with the some of the zeros, some of the product of its zeros taken two at a time and the product of its zeros is 1,-1 &2

Answer 1

${x}^{3} - (1) {x}^{2} + ( - 1)x \: - (2) \\ {x}^{3} - {x}^{2} - x - 2$

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