If y = ax 3 +bx 2 +cx+d, then dy / dx is equal to:

CA Foundation · Quantitative Aptitude · RTP · September 2026
If y = ax 3 +bx 2 +cx+d, then dy / dx is equal to:
(A) (a) 3ax 2 + 2bx + c
(B) (b) ax 4 + bx 3 + cx 2 + dx
(C) (c) 0
(D) (d) 1

Suggested Answer and Working Notes:

Correct Answer: Option (A)

Correct Option: (a)

Topics: Part-A: Business Mathematics

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