Solve the system by inverting the coefficient matrix and using the following theorem: If A is an invertible n × n matrix, then for each n x 1 matrix b, the system of equations Ax = b has exactly one solution, namely x = A-'b. X1 + x2 = 3 3x1 + 4x2 = 6 = Ix i X2 = i

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter6: Matrices And Determinants
Section6.1: Matrices And Systems Of Linear Equations
Problem 1E: If a system of linear equations has infinitely many solutions, then the system is called _____ . If...
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Solve the system by inverting the coefficient matrix and using the following theorem:
If A is an invertible n X n matrix, then for each n x 1 matrix b, the system of equations Ax = b has exactly one solution, namely,
x = A-'b.
X1 + x2 = 3
3x1 + 4x2 = 6
X =
i
X2 =
i
Transcribed Image Text:Solve the system by inverting the coefficient matrix and using the following theorem: If A is an invertible n X n matrix, then for each n x 1 matrix b, the system of equations Ax = b has exactly one solution, namely, x = A-'b. X1 + x2 = 3 3x1 + 4x2 = 6 X = i X2 = i
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