Verify that the complex number is a zero of the polynomial .

MATHEMATICS · Subjective · CBSE · Mathematics · Complex Numbers and Quadratic Equations · Complex Numbers and Quadratic Equations

Problem

62. Verify that the complex number −2i-2 i is a zero of the polynomial f(x)=x3−(2−i)x2+(2−2i)x−4f(x)=x^{3}-(2-i) x^{2}+(2-2 i) x-4.

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