NECO Mathematics 2025 Objective — Question 59
Question 59 of 60 from the National Examinations Council (NECO) Mathematics 2025 Objective paper, with the correct answer and a full explanation.
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Differentiate (3x-2)^2 with respect to x.
- A. 6x+12
- B. 8x-12
- C. 16x+12
Explanation
Let u=3x-2, du/dx=3. y=u^2, so dy/dx = 2u x 3 = 6(3x-2) = 18x-12.
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