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Jamb Mathematics Past QuestionsQuestions and Answers on DifferentiationQuestion 16:The minimum point on the curve y = x2 - 6x + 5 is at A. (1, 5) B. (2, 3) C. (-3, -4) D. (3, -4) Question 17:Evaluate \(\lim \limits_{x \to 2} \frac{(x - 2)(x^2 + 3x - 2)}{x^2 - 4}\) A. 7 B. 2 C. 3 D. 4 Question 18:If y = x sin x, Find \(\frac{d^2 y}{d^2 x}\) A. 2 cosx - x sinx B. Sinx + x cosx C. Sinx - x cosx D. X sinx - 2 cosx Question 19:If y = 3t3 + 2t2 - 7t + 3, find \(\frac{dy}{dt}\) at t = -1 A. -1 B. 1 C. -2 D. 2 Question 20:The derivative of cosec x is A. Tan x cosec x B. -cot x cosec x C. Tan x sec x D. -cot x sec x |
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