[tex]\Large\boxed{\begin{array}{l}\sf a_{11}=1+2\cdot1=1+2=3\\\sf a_{12}=1+2\cdot2=1+4=5\\\sf a_{21}=2+2\cdot1=2+2=4\\\sf a_{22}=2+2\cdot2=2+4=6\\\sf a_{31}=3+2\cdot1=3+2=5\\\sf a_{32}=3+2\cdot2=3+4=7\\\sf a_{41}=4+2\cdot1=4+2=6\\\sf a_{42}=4+2\cdot2=4+4=8\\\\\sf A=\begin{bmatrix}\sf3&\sf5\\\sf4&\sf6\\\sf5&\sf7\\\sf6&\sf8\end{bmatrix}\end{array}}[/tex]
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[tex]\Large\boxed{\begin{array}{l}\sf a_{11}=1+2\cdot1=1+2=3\\\sf a_{12}=1+2\cdot2=1+4=5\\\sf a_{21}=2+2\cdot1=2+2=4\\\sf a_{22}=2+2\cdot2=2+4=6\\\sf a_{31}=3+2\cdot1=3+2=5\\\sf a_{32}=3+2\cdot2=3+4=7\\\sf a_{41}=4+2\cdot1=4+2=6\\\sf a_{42}=4+2\cdot2=4+4=8\\\\\sf A=\begin{bmatrix}\sf3&\sf5\\\sf4&\sf6\\\sf5&\sf7\\\sf6&\sf8\end{bmatrix}\end{array}}[/tex]