A cubic polynomial has zeros

MATHEMATICS · Single correct · CBSE · Mathematics · Polynomials · Polynomials

Problem

A cubic polynomial has zeros −1-1, 22 and 33, and its leading coefficient is 22. Which of the following could represent the polynomial? (a) (x+1)(x−2)(x−3)(x+1)(x-2)(x-3) (b) −2(x+1)(x−2)(x−3)-2(x+1)(x-2)(x-3) (c) 2(x+1)(x−2)(x−3)2(x+1)(x-2)(x-3) (d) 2(x+1)(x+2)(x−3)2(x+1)(x+2)(x-3)

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