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

CA Foundation · Quantitative Aptitude · MTP · September 2025
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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