A curve has the equation 2x2−3xy+y2=122x^2 - 3xy + y^2 = 122x2−3xy+y2=12:
Find an expression for dydx\displaystyle \frac{dy}{dx}dxdy
Find an equation for the normal to the curve at the point (1,−2)(1, -2)(1,−2)
109 exam-style questions on CCEA A Level Maths 3.5.2 Differentiation (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.