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Iteration

Iteration

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Question 6

Using xn+1=2+3xn\displaystyle x_{n+1} = 2 + \frac{3}{x_n}xn+1​=2+xn​3​ with x0=1x_0 = 1x0​=1

a.

Find the values of x1x_1x1​, x2 x_2\,x2​ and x3x_3x3​.

[3]
b.

Explain the relationship between the values of x1x_1x1​, x2 x_2\,x2​ and x3 x_3\,x3​ and the equation x2−2x−3=0x^2 - 2x - 3 = 0x2−2x−3=0

[2]
Markscheme

Iteration Questions

  1. GCSE
  2. /Maths
  3. /Iteration

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

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