The polynomial is divisible by both and

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

Problem

The polynomial p(x)=2x3+ax2+bx−4p(x)=2x^3+ax^2+bx-4 is divisible by both (x−1)(x-1) and (x+1)(x+1). What is the ordered pair (a,b)(a,b)? (a) (−4,2)(-4,2) (b) (4,2)(4,2) (c) (4,−2)(4,-2) (d) (2,0)(2,0)

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