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UPSC CDS Math HCF and LCM of Numbers and Polynomials Questions

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Question : 6 of 31

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HCF and LCM of two polynomials are (x + 3) and (x3 — 9x2 — x + 105) respectively. If one of the two polynomials is x2 - 4x - 21, then the other is

x2 + 2x - 21
x2 + 2x + 15
x2−2x−15
x2−x−15

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