Skip to content
MathsGenie logo
Open app

Course home

  1. GCSE
  2. Maths WJEC
  3. Question bank

Iteration

EasyMediumHard
123456789101112131415161718192021222324252627282930
Question 11

Using xn+1=6xn2+2\displaystyle x_{n+1} = \frac{6}{x_n^2} + 2xn+1​=xn2​6​+2 with x0=2x_0 = 2x0​=2

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 x3−2x2−6=0x^3 - 2x^2 - 6 = 0x3−2x2−6=0

[2]

Iteration Questions

  1. GCSE
  2. /Maths
  3. /Iteration