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Jamb 2012 Mathematics Past QuestionsQuestion 31:If y = x2 - \(\frac{1}{x}\), find \(\frac{\delta y}{\delta x}\) A. 2x - \(\frac{1}{x^2}\) B. 2x + x2 C. 2x - x2 D. 2x + \(\frac{1}{x^2}\) Question 32:Evaluate \(\int^2_1(x^2 - 4x)dx\) A. \(\frac{11}{3}\) B. \(\frac{3}{11}\) C. \(-\frac{3}{11}\) D. \(-\frac{11}{3}\) Question 33:Evaluate \(\int^{\frac{\pi}{4}}_0sec^2 \theta d \theta\) A. 1 B. 2 C. 3 D. 4 Question 34:The mean of seven numbers is 96. If an eighth number is added, the mean becomes 112. Find the eighth number. A. 126 B. 180 C. 216 D. 224 Question 35:Find the median of 2,3,7,3,4,5,8,9,9,4,5,3,4,2,4 and 5 A. 9 B. 8 C. 7 D. 4 |
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