A-LevelMathematicsDifferential equationsMay/June 2018Paper 3 Q36 Marks
In the diagram, the tangent to a curve at the point P with coordinates (x, y) meets the x-axis at T. The point N is the foot of the perpendicular from P to the x-axis. The curve is such that, for all values of x, the gradient of the curve is positive and TN = 2. [Figure X.X]
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