{   x_(n+1) = 3 + [6/(3 + x_n)]     } Beginning with a firs approximation of x_1 = 4, find the next 6 terms in the sequence:  x_2, x_3, x_4, x_5, x_6, x_7. Also show how accurate the approximation is for |x_7 - sqrt 15| by giving  {   | x_7 - sqrt(15) |   }

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Consider the following sequence which can be used to approximate sqrt 15 , which is defined recursively by

 

{   x_(n+1) = 3 + [6/(3 + x_n)]     }

Beginning with a firs approximation of x_1 = 4, find the next 6 terms in the sequence:  x_2, x_3, x_4, x_5, x_6, x_7.

Also show how accurate the approximation is for |x_7 - sqrt 15| by giving 

{   | x_7 - sqrt(15) |   }

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