Question 12 a) A curve has equation e3x _ e2xe3y _ e-2y = 3 i) Find " in terms of x and y. dx ii) Find the equation of the normal to the curve at the point (In 2, 0). Give your answer in the form px + qy - Inr = 0 where p, q and r are integers. b) Another curve has equation y = 2x + 3 3x - 2 i) Use the Quotient Rule to find dy dx 2x + 3 ii) Show that the curve y = has no stationary values. 3x - 2