Question 5 - A-Level Maths

Exam Board	OCR MEI
Module	Paper 1 (Paper 1)
Year	2023
Session	June
Topic	Differentiation Applications
Type	Find stationary points

5 In this question you must show detailed reasoning.

Find the coordinates of the two stationary points on the graph of \(y = 15 - x ^ { 2 } - \frac { 16 } { x ^ { 2 } }\).
Show that both these stationary points are maximum points.