Edexcel P4 2021 October — Question 1

Exam BoardEdexcel
ModuleP4 (Pure Mathematics 4)
Year2021
SessionOctober
TopicImplicit equations and differentiation

  1. The curve \(C\) has equation
$$2 x - 4 y ^ { 2 } + 3 x ^ { 2 } y = 4 x ^ { 2 } + 8$$ The point \(P ( 3,2 )\) lies on \(C\).
Find the equation of the normal to \(C\) at the point \(P\), writing your answer in the form \(a x + b y + c = 0\) where \(a\), \(b\) and \(c\) are integers to be found.