Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the Gauss-Jordan method if the inverse doesn't exist.
minusx
minus
y
minus
z
equals
negative 3
3x
plus
5
y
equals
17
y
minus
6
z
equals
negative 5
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Part 1
What is the inverse of the coefficient matrix?
A.
The inverse matrix is
enter your response here.
(Type a matrix, using an integer or simplified fraction for each matrix element. Do not factor out a scalar multiple.)
B.
There is no inverse of the given matrix.
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