What are the roots of the equation?

Mathematics WAEC 2005

What are the roots of the equation?

  • -1 and 1
  • 4 and 1
  • 1 and 4 checkmark
  • 4 and 4

The correct answer is: C

Explanation

The two points of contact of the curve with the x-axis are x = 1 and x = 4. The roots of the equation are x = 1 and x = 4
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