If y=x 3 -5x 2 +4x+7, then dy / dx is:

CA Foundation · Quantitative Aptitude · MTP · September 2026
If y=x 3 -5x 2 +4x+7, then dy / dx is:
(A) A. 3x 2 -10x+4
(B) B. 3x 2 -5x+4
(C) C. x 2 -10x+4
(D) D. 3x 2 -10x+7

Suggested Answer and Working Notes:

Correct Answer: Option (A)

A. 3x 2 -10x+4

Topics: Part-A: Business Mathematics

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