Edexcel F3 2018 Specimen — Question 1

Exam BoardEdexcel
ModuleF3 (Further Pure Mathematics 3)
Year2018
SessionSpecimen
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.
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