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MATHEMATICS

JAMB 2002 - Question 12

Mathematics 2002 JAMB Past Questions - Question 12: If y = x² - 1/x, find dx/dy

If y = x² - 1/x, find dx/dy

A: 2x-1/x²

B: 2x+x²

C: 2x-x²

D: 2x+1/x²

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Correct Answer

Explanation

y = x^2 − 1/x = x^2 − x^−1dy/dx = 2x −(−x^−2)= 2x+1/x^2