If x = at 2 and y = a(t 3 - t) then dy / dx =

CA Foundation · Quantitative Aptitude · PYQS · January 2025
If x = at 2 and y = a(t 3 - t) then dy / dx =
(A) A. 3t 2 -t / 2t
(B) B. 3t 2 -1 / 2t
(C) C. 3t 2 -1 / t
(D) D. 3t 2 +1 / 2t

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 3t 2 -t / 2t

Topics: Part-A: Business Mathematics

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