If p = x 1/3 + x -1/3 , then find value of 3p 3 – 9p

CA Foundation · Quantitative Aptitude · RTP · September 2024
If p = x 1/3 + x -1/3 , then find value of 3p 3 – 9p
(A) A. 3
(B) B. 1 / 2 (x+1/x)
(C) C. (x+1/x)
(D) D. 2((x+1/x))

Suggested Answer and Working Notes:

Correct Answer: Option (C)

C. (x+1/x)

Topics: Part-A: Business Mathematics

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