6. An ancient technique for extracting the square root of an integer N > 1 going back to the Babylonions involves using the iteration process N 1 Xn+- In+1 = where ro is the largest integer for which a? < N. Show that if by change a? the sequence is constant, i.e., r, = simply Newton's method applied to N, VN for all n = 1,2, ... Show that the sequence is f(x) = x² – N How many iterations does it take to calculate V411 to three decimal places using To = 20?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.2: Arithmetic Sequences
Problem 67E
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6. An ancient technique for extracting the square root of an integer N > 1 going back to
the Babylonions involves using the iteration process
N
1
Xn+-
In+1 =
where ro is the largest integer for which a? < N. Show that if by change a?
the sequence is constant, i.e., r, =
simply Newton's method applied to
N,
VN for all n = 1,2, ... Show that the sequence is
f(x) = x² – N
How many iterations does it take to calculate V411 to three decimal places using
To = 20?
Transcribed Image Text:6. An ancient technique for extracting the square root of an integer N > 1 going back to the Babylonions involves using the iteration process N 1 Xn+- In+1 = where ro is the largest integer for which a? < N. Show that if by change a? the sequence is constant, i.e., r, = simply Newton's method applied to N, VN for all n = 1,2, ... Show that the sequence is f(x) = x² – N How many iterations does it take to calculate V411 to three decimal places using To = 20?
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