Answered: Find the root of f (x) = x2 -2x -…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter7: Systems Of Equations And Inequalities

Section7.8: Solving Systems With Cramer's Rule

Problem 3SE: Explain what it means in terms of an inverse for a matrix to have a 0 determinant.

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Q3. (a) Find the root of f (x) = x² -2x - 2,correct 3 dp, using Newton-Raphson
method.
(b) Find the inverse of the given matrix using Choleski’s method,

A= [4 6 8, 6 10 17, 4 17 25]

Hence, solve the following system of equations:

4x₁+6x₂+8x₃=6

6x₁+10x₂+17x₃=5

8x₁+17x₂+25x₃=7

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