Roots of equation 2x 2 + 3x + 7= 0 are α and β. The value of αβ -1 + βα -1 is

CA Foundation · Quantitative Aptitude · RTP · May 2025
Roots of equation 2x 2 + 3x + 7= 0 are α and β. The value of αβ -1 + βα -1 is
(A) A. 2
(B) B. 3/7
(C) C. 7/2
(D) D. -19/14

Suggested Answer and Working Notes:

Correct Answer: Option (D)

D. -19/14

Topics: Part-A: Business Mathematics

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