Edexcel C4 — Question 3

Exam BoardEdexcel
ModuleC4 (Core Mathematics 4)
TopicImplicit equations and differentiation

3. A curve has the equation $$3 x ^ { 2 } - 2 x + x y + y ^ { 2 } - 11 = 0$$ The point \(P\) on the curve has coordinates \(( - 1,3 )\).
  1. Show that the normal to the curve at \(P\) has the equation \(y = 2 - x\).
  2. Find the coordinates of the point where the normal to the curve at \(P\) meets the curve again.
    3. continued