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Iteration

Iteration

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Question 18

Using xn+1=1+1xn2\displaystyle x_{n+1} = 1 + \frac{1}{x_n^2}xn+1​=1+xn2​1​ with x0=2x_0 = 2x0​=2

a.

Find the values of x1 x_1\,x1​ and x2x_2x2​.

[2]
b.

Explain the relationship between the values of x1 x_1\,x1​ and x2 x_2\,x2​ and the equation x3−x2−1=0x^3 - x^2 - 1 = 0x3−x2−1=0

[2]
Markscheme

Iteration Questions

  1. GCSE
  2. /Maths
  3. /Iteration

124 exam-style questions on Eduqas GCSE Maths Iteration. Each one has a worked solution and a mark scheme showing where the marks go.

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