Starting with x0=2x_0 = 2x0=2, use the iteration formula xn+1=5xn2+1\displaystyle x_{n+1} = \frac{5}{x_n^2 + 1}xn+1=xn2+15 three times to find an estimate for the solution to x3+x=5x^3 + x = 5x3+x=5.
Practise Eduqas GCSE Maths Iteration with exam-style questions for Foundation and Higher tier. 40 questions, matched to the Eduqas GCSE Maths (C300QS) specification and written in Component 1 and Component 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.