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Mathematics 2015 JAMB Past Questions

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41
100112 + *****2 + 111002 + 1012 = 10011112
  • A. 11112
  • B. 110112
  • C. 101112
  • D. 110012
View Answer & Discuss (2) JAMB 2015
42

Evaluate log5(\( y^2x^5 ÷ 125b½) \)

  • A. 2 log5y + 5log5 y2 − 3
  • B. log5 y2 + 5log5 x + 3
  • C. 25logy 5 + 3
  • D. 2log5y + 5log5x − ½ log5b −3
View Answer & Discuss JAMB 2015
43

Integral ∫\( (5x^3 + 7x^2 − 2x + 5)\)dx

  • A. \( \frac{5x^4}{4} + \frac{7x^3}{3} + 2x + C \)
  • B. \( \frac{5x^4}{4} + \frac{7x^3}{3} - x^2 + 5x + C \)
  • C. \( \frac{5x^3}{3} + \frac{7x^2}{x} - x + C \)
  • D. \( \frac{2x^2}{3} + \frac{x}{5} - C \)
View Answer & Discuss (1) JAMB 2015
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44
Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14)
  • A. 17.1cm2
  • B. 27.2cm2
  • C. 47.1cm2
  • D. 37.3cm2
View Answer & Discuss (2) JAMB 2015
45

Simplify \( \frac{1}{(x + 1)} + \frac{1}{(x − 1)} \)

  • A. 2x/(x + 1)(x−3)
  • B. 2x/(x + 1)(x−1)
  • C. 2x/(x + 1)2
  • D. 2x(x+1)2
View Answer & Discuss (2) JAMB 2015
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