Exercício de Matemática
1°) Determine a matriz B(bij)4×3 em que bij=2+i+j.
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Segue uma matriz 4x3:
![\left[\begin{array}{ccc}1,1&1,2&1,3\\2,1&2,2&2,3\\3,1&3,2&3,3\\4,1&4,2&4,3\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%2C1%26amp%3B1%2C2%26amp%3B1%2C3%5C%5C2%2C1%26amp%3B2%2C2%26amp%3B2%2C3%5C%5C3%2C1%26amp%3B3%2C2%26amp%3B3%2C3%5C%5C4%2C1%26amp%3B4%2C2%26amp%3B4%2C3%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}1,1&1,2&1,3\\2,1&2,2&2,3\\3,1&3,2&3,3\\4,1&4,2&4,3\end{array}\right]")
Substituindo pela fórmula dada:
![\left[\begin{array}{ccc}2+1+1&2+1+2&2+1+3\\2+2+1&2+2+2&2+2+3\\2+3+1&2+3+2&2+3+3\\2+4+1&2+4+2&2+4+3\end{array}\right] =](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%2B1%2B1%26amp%3B2%2B1%2B2%26amp%3B2%2B1%2B3%5C%5C2%2B2%2B1%26amp%3B2%2B2%2B2%26amp%3B2%2B2%2B3%5C%5C2%2B3%2B1%26amp%3B2%2B3%2B2%26amp%3B2%2B3%2B3%5C%5C2%2B4%2B1%26amp%3B2%2B4%2B2%26amp%3B2%2B4%2B3%5Cend%7Barray%7D%5Cright%5D+%3D "\left[\begin{array}{ccc}2+1+1&2+1+2&2+1+3\\2+2+1&2+2+2&2+2+3\\2+3+1&2+3+2&2+3+3\\2+4+1&2+4+2&2+4+3\end{array}\right] =")
![\left[\begin{array}{ccc}4&5&6\\5&6&7\\6&7&8\\7&8&9\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D4%26amp%3B5%26amp%3B6%5C%5C5%26amp%3B6%26amp%3B7%5C%5C6%26amp%3B7%26amp%3B8%5C%5C7%26amp%3B8%26amp%3B9%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}4&5&6\\5&6&7\\6&7&8\\7&8&9\end{array}\right]")
Substituindo pela fórmula dada:
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