Prove that en elementary nxn matrix can be obtained in at least two ways-either by performing an elementary row operation on I$\displaystyle _n$ or by performing an elementary column operation on I$\displaystyle _n$.
Prove that en elementary nxn matrix can be obtained in at least two ways-either by performing an elementary row operation on I$\displaystyle _n$ or by performing an elementary column operation on I$\displaystyle _n$.