48. Consider the matrix A = 2 -4 4 - 1 3 2 k -2 6 لیا (a) If A is the augmented matrix of a system of linear equations, determine the number of equations and the number of variables. (b) If A is the augmented matrix of a system of linear equations, find the value(s) of k such that the system is consistent. (c) If A is the coefficient matrix of a homogeneous system of linear equations, determine the number of equations and the number of variables. (d) If A is the coefficient matrix of a homogeneous system of linear equations, find the value(s) of k such that the system is consistent.

Advanced Engineering Mathematics
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Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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48. Consider the matrix A =
2
-4
4
- 1
3
2
k
-2 6
لیا
(a) If A is the augmented matrix of a system of linear
equations, determine the number of equations and the
number of variables.
(b) If A is the augmented matrix of a system of linear
equations, find the value(s) of k such that the system is
consistent.
(c) If A is the coefficient matrix of a homogeneous system of
linear equations, determine the number of equations and the
number of variables.
(d) If A is the coefficient matrix of a homogeneous system of
linear equations, find the value(s) of k such that the system
is consistent.
Transcribed Image Text:48. Consider the matrix A = 2 -4 4 - 1 3 2 k -2 6 لیا (a) If A is the augmented matrix of a system of linear equations, determine the number of equations and the number of variables. (b) If A is the augmented matrix of a system of linear equations, find the value(s) of k such that the system is consistent. (c) If A is the coefficient matrix of a homogeneous system of linear equations, determine the number of equations and the number of variables. (d) If A is the coefficient matrix of a homogeneous system of linear equations, find the value(s) of k such that the system is consistent.
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