(b) Use the iteration formula 4(3-х,) (3+x,) with x, = 1 to find, to 2 decimal places, the value of x,, x,. and x,.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.5: Iterative Methods For Solving Linear Systems
Problem 20EQ
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please solve part b (3b). part a is already done.

Q3.
f(x) =x° +3x° +4x-12
(a) Show that the equation f (x) = 0 can be written as
( 4(3 – x)'
(3+x)
x*-3
The equation x' + 3x + 4x –12 = 0 has a single root which is between 1 and 2
(b) Use the iteration formula
(4(3-х,)
| (3+x,),
with x, = 1 to find, to 2 decimal places, the value of x,, x,. and x,.
The root of f(x) = 0 is a.
Transcribed Image Text:Q3. f(x) =x° +3x° +4x-12 (a) Show that the equation f (x) = 0 can be written as ( 4(3 – x)' (3+x) x*-3 The equation x' + 3x + 4x –12 = 0 has a single root which is between 1 and 2 (b) Use the iteration formula (4(3-х,) | (3+x,), with x, = 1 to find, to 2 decimal places, the value of x,, x,. and x,. The root of f(x) = 0 is a.
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