Question: 4. The curve C has the equation ye-2x = 2x + y. dy (a) Find in terms of x and y. dr (5) The

4. The curve C has the equation ye-2x = 2x + y.

4. The curve C has the equation ye-2x = 2x + y. dy (a) Find in terms of x and y. dr (5) The point P on C has coordinates (0, 1). (b) Find the equation of the normal to C at P, giving your answer in the form ax+by+c= 0, where a, b and c are integers.

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