Edexcel C1 2016 June — Question 2

Exam BoardEdexcel
ModuleC1 (Core Mathematics 1)
Year2016
SessionJune
TopicIndices and Surds

Express \(9 ^ { 3 x + 1 }\) in the form \(3 ^ { y }\), giving \(y\) in the form \(a x + b\), where \(a\) and \(b\) are constants.
(2)