Edexcel FP3 2015 June — Question 1

Exam BoardEdexcel
ModuleFP3 (Further Pure Mathematics 3)
Year2015
SessionJune
TopicHyperbolic functions
  1. Solve the equation
$$2 \cosh ^ { 2 } x - 3 \sinh x = 1$$ giving your answers in terms of natural logarithms.
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