CAIE P2 2016 November — Question 2

Exam BoardCAIE
ModuleP2 (Pure Mathematics 2)
Year2016
SessionNovember
TopicExponential Equations & Modelling

2
  1. Given that \(\frac { 1 + 4 ^ { y } } { 3 + 2 ^ { y } } = 5\), find the value of \(2 ^ { y }\).
  2. Use logarithms to find the value of \(y\) correct to 3 significant figures.