Roots of the equation x 3 +9x 2 - x - 9 = 0.

CA Foundation · Quantitative Aptitude · MTP · May 2026
Roots of the equation x 3 +9x 2 - x - 9 = 0.
(A) A. 1, 2, 3
(B) B. 1, -1, -9
(C) C. 2, 3, -9
(D) D. 1,3,9

Suggested Answer and Working Notes:

Correct Answer: Option (B)

B. 1, -1, -9

Topics: Part-A: Business Mathematics

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