JAMB Mathematics 2016 Objective — Question 38
Question 38 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2016 Objective paper, with the correct answer and a full explanation.
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38. If y = 3x³+2x²+3x+1, find dy/dx A. 9x²+4x+3 B. 9x²+4x+1 C. 6x²+4x+3 D. 9x²+2x+3
- A. 9x²+4x+3Correct
- B. 9x²+4x+1
- C. 6x²+4x+3
- D. 9x²+2x+3
Explanation
y=3x³+2x²+3x+1; dy/dx = 3×3x² + 2×2x + 3 = 9x²+4x+3.
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