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# Determine whether the matrix is elementary. If it is, state the elementary row

**Determine whether the matrix is elementary. If it is, state the elementary row106OThe matrix is elementary. It can be obtained from the identity matrix by interchanging two rows.OThe matrix is elementary. It can be obtained from the identity matrix by multiplying a row by a nonzero constant.OThe matrix is elementary. It can be obtained from the identity matrix by adding a multiple of a row to another row.OThe matrix is not elementary.**