??? - 2014 JUNE Q11
Fig. 11 shows a sketch of the curve with equation
(i) Find dy/dx and show that
(ii) Hence find the coordinates of the stationary point on the curve. Verify that the stationary point is a
maximum. [5]
(iii) Find the equation of the normal to the curve when x = -1. Give your answer in the form ax+ by + c = 0. [5]
(iii) Find the equation of the normal to the curve when x = -1. Give your answer in the form ax+ by + c = 0. [5]