For the linear system with augmented matrix shown below, find the REF and then solve the system by back substitution. (Do not do any row exchanges. And do not use the ref command on your calculator because the calculator uses row exchanges and will?
For the linear system with augmented matrix shown below, find the REF and then solve the system by back substitution. (Do not do any row exchanges. And do not use the ref command on your calculator because the calculator uses row exchanges and will generally give a different REF than is expected.)
4 −8 8 −16
8 −13 19 −23
12 −36 9 −75
For the linear system with augmented matrix shown below, find the REF and then solve the system by back substitution. (Do not do any row exchanges. And do not use the ref command on your calculator because the calculator uses row exchanges and will generally give a different REF than is expected.)
4 −8 8 −16
8 −13 19 −23
12 −36 9 −75
1 Answer
See below for step by step breakdown.
Explanation:
To reduce this matrix, we will first perform the row operations
It then behooves us to perform the operation
And now we will perform