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Exponentials and Logarithms

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Question 76

Solve the equation, giving your answers in exact form, where k k\,k is a positive constant and k≠3k\ne 3k=3.

2ey+6ke−y=2k+6 2e^y + 6ke^{-y} = 2k + 6 2ey+6ke−y=2k+6
[5]
Markscheme

Exponentials and Logarithms Questions

  1. A Level
  2. /Maths
  3. /Exponentials and Logarithms

277 exam-style questions on Edexcel A Level Maths Exponentials and Logarithms, covering 14.1 Exponential Functions, 14.2 y = e^x, 14.3 Exponential Modelling, 14.4 Logarithms, 14.5 Laws of Logarithms, 14.6 Solving Equations using Logarithms, 14.7 Working with Natural Logarithms, and 14.8 Logarithms and Non-Linear Data. Each one has a worked solution and a mark scheme showing where the marks go.

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