Three crossings of a negative level
Three crossings of a negative level
6 marks
TGM Original
Use a graph of y=(x+1)x(x-2) and the line y=-2 to solve (x+1)x(x-2) <= -2. Give exact boundary values.
Solution:
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Answer:\(x\le-\sqrt2\) or \(1\le x\le\sqrt2\).
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