Two stationary points
Two stationary points
8 marks
TGM Original
The curve is y=x3-3x2-9x+5. Find and classify its stationary points, state where it increases, and find the normal at x=0.
Solution:
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Answer:Maximum \((-1,10)\); minimum \((3,-22)\); increasing for \(x<-1\) or \(x>3\); normal \(y=5+\dfrac{x}{9}\).
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