For what value of does the polynomial have as a factor?

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

Problem

For what value of kk does the polynomial h(x)=2x3+kx2−5x−6h(x)=2x^{3}+kx^{2}-5x-6 have x+1x+1 as a factor? (a) k=−1k=-1 (b) k=9k=9 (c) k=3k=3 (d) k=−9k=-9

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