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Jamb Mathematics Past QuestionsQuestions and Answers on DifferentiationQuestion 41:Differentiate (x2 - 1/x)2 with respect to x A. 4x2 - 4x - 2/x B. 4x2 - 2 + 2/x3 C. 4x2 - 2 - 2/x3 D. 4x2 - 3x + 2/x Question 42:If dy/dx = x + cos x, find y A. X2 - sin x + c B. X2 + sin x + c C. X2/2 - sin x + c D. X2/2 + sin x + c Question 43:Differentiate (cos θ - sin θ)\(^2\) A. -2 cos 2θ B. -2 sin2θ C. 1 - 2 cos 2θ D. 1 - 2 sin 2θ Question 44:If y = x cos x, find dy/dx A. Sin x - x cos x B. Sin x + x cos x C. Cos x + x sin x D. Cos x - x sin x Question 45:If y = (1 + x)2, find \(\frac{dy}{dx}\) A. X - 1 B. 2 + 2x C. 1 + 2x D. 2x - 1 |
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