AQA FP2 2008 June — Question 1

Exam BoardAQA
ModuleFP2 (Further Pure Mathematics 2)
Year2008
SessionJune
TopicHyperbolic functions
1
  1. Express $$5 \sinh x + \cosh x$$ in the form \(A \mathrm { e } ^ { x } + B \mathrm { e } ^ { - x }\), where \(A\) and \(B\) are integers.
  2. Solve the equation $$5 \sinh x + \cosh x + 5 = 0$$ giving your answer in the form \(\ln a\), where \(a\) is a rational number.
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