f(x)=x3+2x2−2xx>0f(x) = x^3 + 2x^2 - 2\sqrt{x} \quad x > 0f(x)=x3+2x2−2xx>0
Show that f(x)=0f(x) = 0f(x)=0 has a root in the interval [0.7,0.8][0.7, 0.8][0.7,0.8]
329 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.