f(x)=ex+3+x−12f(x) = e^{x+3} + x - 12f(x)=ex+3+x−12
Show that the equation f(x)=0f(x) = 0f(x)=0 can be written in the form x=ln(12−x)−3x = \ln(12 - x) - 3x=ln(12−x)−3
321 exam-style questions on Edexcel A Level Maths Numerical Methods, covering 10.1 Locating Roots, 10.2 Iteration, 10.3 The Newton-Raphson Method, and 10.4 Applications to Modelling. Each one has a worked solution and a mark scheme showing where the marks go.