Question 1 - A-Level Maths

Exam Board	CAIE
Module	P3 (Pure Mathematics 3)
Year	2010
Session	June
Topic	Exponential Equations & Modelling

1 Solve the equation $$\frac { 2 ^ { x } + 1 } { 2 ^ { x } - 1 } = 5$$ giving your answer correct to 3 significant figures.