Edexcel F3 2016 June — Question 1

Exam BoardEdexcel
ModuleF3 (Further Pure Mathematics 3)
Year2016
SessionJune
TopicHyperbolic functions

  1. The curve \(C\) has equation
$$y = 9 \cosh x + 3 \sinh x + 7 x$$ Use differentiation to find the exact \(x\) coordinate of the stationary point of \(C\), giving your answer as a natural logarithm.