User:Eml5526.s11.team6.tupsakhare/hwk7

$$\left( \begin{matrix}  6 & y  \\   {{a}_{21}} & {{a}_{22}}  \\ \end{matrix} \right)\left( \begin{matrix}   {{a}_{11}} & {{a}_{12}}  \\   {{a}_{21}} & {{a}_{22}}  \\ \end{matrix} \right) $$