obtenha A=(aij)2x3,em que aij=3i- 4j
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Olá
![\left[\begin{array}{ccc}a11&a12&a13\\a21&a22&a23\end{array}\right] \\
Resolvendo temos: \\ segundo a condiçao : aij=3i-4j \\ aij=a11=3.1-4.1=-1 \\ aij=a12=3.1-4.2=-5 \\ aij=a13=3.1-4.3=-9 \\ aij=a21=3.2-4.1=2 \\ aij=a22=3.2-4.2=-2 \\ aij=a23=3.2-4.3=-6 \\ \\ entao A é:
\\ A= \left[\begin{array}{ccc}-1&-5&-9\\2&-2&-6\\\end{array}\right]
\\ espero ter ajudado!!](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da11%26amp%3Ba12%26amp%3Ba13%5C%5Ca21%26amp%3Ba22%26amp%3Ba23%5Cend%7Barray%7D%5Cright%5D++%5C%5C+%0A+Resolvendo++temos%3A+%5C%5C++segundo+a+condi%C3%A7ao+%3A+aij%3D3i-4j+%5C%5C+++aij%3Da11%3D3.1-4.1%3D-1+%5C%5C+aij%3Da12%3D3.1-4.2%3D-5+%5C%5C+aij%3Da13%3D3.1-4.3%3D-9+%5C%5C+aij%3Da21%3D3.2-4.1%3D2+%5C%5C+aij%3Da22%3D3.2-4.2%3D-2+%5C%5C+aij%3Da23%3D3.2-4.3%3D-6+%5C%5C++%5C%5C+entao+A+%C3%A9%3A%0A+%5C%5C+A%3D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-1%26amp%3B-5%26amp%3B-9%5C%5C2%26amp%3B-2%26amp%3B-6%5C%5C%5Cend%7Barray%7D%5Cright%5D+%0A+%5C%5C++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++espero+ter+ajudado%21%21%0A+++++%0A%0A "\left[\begin{array}{ccc}a11&a12&a13\\a21&a22&a23\end{array}\right] \\
Resolvendo temos: \\ segundo a condiçao : aij=3i-4j \\ aij=a11=3.1-4.1=-1 \\ aij=a12=3.1-4.2=-5 \\ aij=a13=3.1-4.3=-9 \\ aij=a21=3.2-4.1=2 \\ aij=a22=3.2-4.2=-2 \\ aij=a23=3.2-4.3=-6 \\ \\ entao A é:
\\ A= \left[\begin{array}{ccc}-1&-5&-9\\2&-2&-6\\\end{array}\right]
\\ espero ter ajudado!!")
abinealves:
muito obrigado !!!
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