(a)
The matrix equation equivalent to the system of equation
(a)
Answer to Problem 10T
The matrix equation is
Explanation of Solution
Given:
The system of equations is
The equivalent matrix equation is,
Where,
Calculation:
Write the system of equation in equivalent matrix form.
Thus, the matrix equation is
(b)
The inverse of the coefficient matrix and solve the system.
(b)
Answer to Problem 10T
The inverse of matrix
Explanation of Solution
Given:
The system of equations is
Calculation:
The coefficient matrix is
The matrix
Compare the matrix
Formula to calculate the inverse of
Substitute
Thus, the inverse of matrix
The equivalent matrix equation is,
Substitute
Thus, the solution of the given system of equations is
Chapter 10 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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