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WAEC - Mathematics (2005 - No. 37)

What are the roots of the equation?
-1 and 1
4 and 1
1 and 4
4 and 4

Penjelasan

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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