Question 2 - A-Level Maths

Exam Board	CAIE
Module	P3 (Pure Mathematics 3)
Year	2010
Session	November
Topic	Sign Change & Interval Methods
Type	Solve Logarithmic Equation Numerically

2 Solve the equation $$\ln \left( 1 + x ^ { 2 } \right) = 1 + 2 \ln x$$ giving your answer correct to 3 significant figures.