CAIE P3 2016 March — Question 1

Exam BoardCAIE
ModuleP3 (Pure Mathematics 3)
Year2016
SessionMarch
TopicLaws of Logarithms

1 Solve the equation \(\ln \left( x ^ { 2 } + 4 \right) = 2 \ln x + \ln 4\), giving your answer in an exact form.