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1866
If a2 + b2 = 16 and 2ab = 7.Find all the possible values of (a - b)
  • A. 3, -3
  • B. 2, -2
  • C. 1, -1
  • D. 3, -1
View Answer & Discuss (4) JAMB 1990
1867

Divide x3 - 2x2 - 5x + 6 by (x - 1)

  • A. x2 - x - 6
  • B. x2 - 5x + 6
  • C. x2 - 7x + 6
  • D. x2 - 5x - 6
View Answer & Discuss (6) JAMB 1990
1868
If x + \(\frac{1}{x}\) = 4, find x2 + \(\frac{1}{x^2}\)
  • A. 16
  • B. 14
  • C. 12
  • D. 9
View Answer & Discuss (10) JAMB 1990
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
1869

What must be added to 4x\(^2\) - 4 to make it a perfect square?

  • A. \(\frac{-1}{x^2}\)
  • B. \(\frac{1}{x^2}\)
  • C. 1
  • D. -1
View Answer & Discuss (7) JAMB 1990
1870
Find the solution of the equation x - 8\(\sqrt{x}\) + 15 = 0
  • A. 3, 5
  • B. -3, -5
  • C. 9, 25
  • D. -9, 25
View Answer & Discuss (1) JAMB 1990
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