The curve C C\,C has equation y=xx2+16\displaystyle y = \frac{x}{x^2+16}y=x2+16x.
Determine the coordinates and nature of the stationary points on CCC.
Practise Edexcel A Level Maths 9.9 Using Second Derivatives with exam-style questions for A Level Maths. 57 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.