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Jamb Mathematics Past QuestionsJamb Past Questions and Answers on CALCULUSQuestion 136:Evaluate \(\int_{0} ^{\frac{\pi}{2}} \sin x \mathrm d x\) A. -2 B. 2 C. 1 D. -1 Question 137:If y = 4x3 - 2x2 + x, find \(\frac{\delta y}{\delta x}\) A. 8x2 - 2x + 1 B. 8x2 - 4x + 1 C. 12x2 - 2x + 1 D. 12x2 - 4x + 1 Question 138:If y = cos 3x, find \(\frac{\delta y}{\delta x}\) A. \(\frac{1}{3} \sin 3x\) B. \(-\frac{1}{3} \sin 3x\) C. 3 sin 3x D. -3 sin 3x Question 139:Find the minimum value of y = x2 - 2x - 3 A. 4 B. 1 C. -1 D. -4 Question 140:Evaluate \(\int \sin 2x dx\) A. Cos 2x + k B. \(\frac{1}{2}\)cos 2x + k C. \(-\frac{1}{2}\)cos 2x + k D. -cos 2x + k |
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