AQA C4 2008 January — Question 6

Exam BoardAQA
ModuleC4 (Core Mathematics 4)
Year2008
SessionJanuary
TopicImplicit equations and differentiation

6 A curve has equation \(3 x y - 2 y ^ { 2 } = 4\).
Find the gradient of the curve at the point \(( 2,1 )\).