JAMB Mathematics 2008 Objective — Question 37
Question 37 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2008 Objective paper, with the correct answer and a full explanation.
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Find the derivative of y = (x^7-x^5)/x^4
- A. x^3-x
- B. 3x^2-1Correct
- C. 3x^2-x
- D. 7x^6-5x^4
Explanation
Simplify first by dividing before differentiating: y = x^3-x. dy/dx = 3x^2-1.
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