The diagram shows part of the curve with equation y = x 12x + 36x. The

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The diagram shows part of the curve with equation y = x³ − 12x² + 36x. The x-axis is a tangent to the curve at P.


a) Find the coordinates of P. The curve has a maximum turning point at Q.


b) Find the coordinates of Q. The shaded area is bounded by the curve and the x-axis.


c) Find the area of the shaded region.


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