Using elementary row operations the inverse of each of the matrices - left- begin-array- - l l l - - 1 - - - 2 - - - 2 - - 2 - - - 1 - - - 2 - - 2 - - - 2 - - - 1 - end-array- right- -

Question

Using elementary row operations the inverse of each of the matrices - left- begin-array- - l l l - - 1 - - - 2 - - - 2 -  - 2 - - - 1 - - - 2 -  - 2 - - - 2 - - - 1 - end-array- right- -

Toppr Admin · Accepted Answer

Using elementary row operations find the inverse of each of the matrices \( \left[ \begin{array} { l l l } { 1 } & { 2 } & { 2 } \\ { 2 } & { 1 } & { 2 } \\ { 2 } & { 2 } & { 1 } \end{array} \right] \)