Respuesta :
If i remember correctly the answer is interchange columns.
Answer:
Interchange columns are not permitted when solving a system of linear equations using matrices
Step-by-step explanation:
when solving a system of linear equations using matrices
We try to get identity matrix using row operations
We can interchange any rows. Rows can be interchanged.
We can also multiply any row by a constant.
But columns cannot be interchanged.
Interchange columns are not permitted when solving a system of linear equations using matrices
