escreva a matriz a=(aij) do tipo 3x4 sabendo que aij=2i-3 se i=j e aij=3-2j se i≠j
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Boa noite!
![\begin{bmatrix}a11&a12&a13&a14\\a21&a22&a23&a24\\a31&a32&a33&a34\end{bmatrix} \begin{bmatrix}a11&a12&a13&a14\\a21&a22&a23&a24\\a31&a32&a33&a34\end{bmatrix}](https://tex.z-dn.net/?f=%5Cbegin%7Bbmatrix%7Da11%26amp%3Ba12%26amp%3Ba13%26amp%3Ba14%5C%5Ca21%26amp%3Ba22%26amp%3Ba23%26amp%3Ba24%5C%5Ca31%26amp%3Ba32%26amp%3Ba33%26amp%3Ba34%5Cend%7Bbmatrix%7D)
![\mathrm{a11}\rightarrow\mathrm{2.1-3}\rightarrow\mathrm{2-3}=\mathbf{\boxed{-1}} \mathrm{a11}\rightarrow\mathrm{2.1-3}\rightarrow\mathrm{2-3}=\mathbf{\boxed{-1}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba11%7D%5Crightarrow%5Cmathrm%7B2.1-3%7D%5Crightarrow%5Cmathrm%7B2-3%7D%3D%5Cmathbf%7B%5Cboxed%7B-1%7D%7D)
![\mathrm{a12}\rightarrow\mathrm{3-2.2}\rightarrow\mathrm{3-4}=\mathbf{\boxed{-1}} \mathrm{a12}\rightarrow\mathrm{3-2.2}\rightarrow\mathrm{3-4}=\mathbf{\boxed{-1}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba12%7D%5Crightarrow%5Cmathrm%7B3-2.2%7D%5Crightarrow%5Cmathrm%7B3-4%7D%3D%5Cmathbf%7B%5Cboxed%7B-1%7D%7D)
![\mathrm{a13}\rightarrow\mathrm{3-2.3}\rightarrow\mathrm{3-6}=\mathbf{\boxed{-3}} \mathrm{a13}\rightarrow\mathrm{3-2.3}\rightarrow\mathrm{3-6}=\mathbf{\boxed{-3}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba13%7D%5Crightarrow%5Cmathrm%7B3-2.3%7D%5Crightarrow%5Cmathrm%7B3-6%7D%3D%5Cmathbf%7B%5Cboxed%7B-3%7D%7D)
![\mathrm{a14}\rightarrow\mathrm{3-2.4}\rightarrow\mathrm{3-8}=\mathbf{\boxed{-5}} \mathrm{a14}\rightarrow\mathrm{3-2.4}\rightarrow\mathrm{3-8}=\mathbf{\boxed{-5}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba14%7D%5Crightarrow%5Cmathrm%7B3-2.4%7D%5Crightarrow%5Cmathrm%7B3-8%7D%3D%5Cmathbf%7B%5Cboxed%7B-5%7D%7D)
![\mathrm{a21}\rightarrow\mathrm{3-2.1}\rightarrow\mathrm{3-2}=\mathbf{\boxed{1}} \mathrm{a21}\rightarrow\mathrm{3-2.1}\rightarrow\mathrm{3-2}=\mathbf{\boxed{1}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba21%7D%5Crightarrow%5Cmathrm%7B3-2.1%7D%5Crightarrow%5Cmathrm%7B3-2%7D%3D%5Cmathbf%7B%5Cboxed%7B1%7D%7D)
![\mathrm{a22}\rightarrow\mathrm{2.2-3}\rightarrow\mathrm{4-3}=\mathbf{\boxed{1}} \mathrm{a22}\rightarrow\mathrm{2.2-3}\rightarrow\mathrm{4-3}=\mathbf{\boxed{1}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba22%7D%5Crightarrow%5Cmathrm%7B2.2-3%7D%5Crightarrow%5Cmathrm%7B4-3%7D%3D%5Cmathbf%7B%5Cboxed%7B1%7D%7D)
![\mathrm{a23}\rightarrow\mathrm{3-2.3}\rightarrow\mathrm{3-6}=\mathbf{\boxed{-3}} \mathrm{a23}\rightarrow\mathrm{3-2.3}\rightarrow\mathrm{3-6}=\mathbf{\boxed{-3}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba23%7D%5Crightarrow%5Cmathrm%7B3-2.3%7D%5Crightarrow%5Cmathrm%7B3-6%7D%3D%5Cmathbf%7B%5Cboxed%7B-3%7D%7D)
![\mathrm{a24}\rightarrow\mathrm{3-2.4}\rightarrow\mathrm{3-8}=\mathbf{\boxed{-5}} \mathrm{a24}\rightarrow\mathrm{3-2.4}\rightarrow\mathrm{3-8}=\mathbf{\boxed{-5}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba24%7D%5Crightarrow%5Cmathrm%7B3-2.4%7D%5Crightarrow%5Cmathrm%7B3-8%7D%3D%5Cmathbf%7B%5Cboxed%7B-5%7D%7D)
![\mathrm{a31}\rightarrow\mathrm{3-2.1}\rightarrow\mathrm{3-2}=\mathbf{\boxed{1}} \mathrm{a31}\rightarrow\mathrm{3-2.1}\rightarrow\mathrm{3-2}=\mathbf{\boxed{1}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba31%7D%5Crightarrow%5Cmathrm%7B3-2.1%7D%5Crightarrow%5Cmathrm%7B3-2%7D%3D%5Cmathbf%7B%5Cboxed%7B1%7D%7D)
![\mathrm{a32}\rightarrow\mathrm{3-2.2}\rightarrow\mathrm{3-4}=\mathbf{\boxed{-1}} \mathrm{a32}\rightarrow\mathrm{3-2.2}\rightarrow\mathrm{3-4}=\mathbf{\boxed{-1}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba32%7D%5Crightarrow%5Cmathrm%7B3-2.2%7D%5Crightarrow%5Cmathrm%7B3-4%7D%3D%5Cmathbf%7B%5Cboxed%7B-1%7D%7D)
![\mathrm{a33}\rightarrow\mathrm{2.3-3}\rightarrow\mathrm{6-3}=\mathbf{\boxed{3}} \mathrm{a33}\rightarrow\mathrm{2.3-3}\rightarrow\mathrm{6-3}=\mathbf{\boxed{3}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba33%7D%5Crightarrow%5Cmathrm%7B2.3-3%7D%5Crightarrow%5Cmathrm%7B6-3%7D%3D%5Cmathbf%7B%5Cboxed%7B3%7D%7D)
![\mathrm{a34}\rightarrow\mathrm{3-2.4}\rightarrow\mathrm{3-8}=\mathbf{\boxed{-5}} \mathrm{a34}\rightarrow\mathrm{3-2.4}\rightarrow\mathrm{3-8}=\mathbf{\boxed{-5}}](https://tex.z-dn.net/?f=%5Cmathrm%7Ba34%7D%5Crightarrow%5Cmathrm%7B3-2.4%7D%5Crightarrow%5Cmathrm%7B3-8%7D%3D%5Cmathbf%7B%5Cboxed%7B-5%7D%7D)
=![\begin{bmatrix}-1&-1&-3&-5\\1&1&-3&-5\\1&-1&3&-5\end{bmatrix} \begin{bmatrix}-1&-1&-3&-5\\1&1&-3&-5\\1&-1&3&-5\end{bmatrix}](https://tex.z-dn.net/?f=%5Cbegin%7Bbmatrix%7D-1%26amp%3B-1%26amp%3B-3%26amp%3B-5%5C%5C1%26amp%3B1%26amp%3B-3%26amp%3B-5%5C%5C1%26amp%3B-1%26amp%3B3%26amp%3B-5%5Cend%7Bbmatrix%7D)
Att;Guilherme Lima
Att;Guilherme Lima
guilhermeRL:
Se tiver te ajudado e puder marcar como "Melhor Resposta", agradeço! TMj (;
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