Dê o tipo de cada uma das seguintes matrizes :a) A = ![\left[\begin{array}{ccc}1&3\\-7&2\\4&2\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%26amp%3B3%5C%5C-7%26amp%3B2%5C%5C4%26amp%3B2%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}1&3\\-7&2\\4&2\end{array}\right]")
b) B=![\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7Da%26amp%3Bb%5C%5Cc%26amp%3Bd%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}a&b\\c&d\end{array}\right]")
c) C= ![\left[\begin{array}{ccc}1&4&2&-3\\2&7&0&-1\\3&9&0&-5\end{array}\right]](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%26amp%3B4%26amp%3B2%26amp%3B-3%5C%5C2%26amp%3B7%26amp%3B0%26amp%3B-1%5C%5C3%26amp%3B9%26amp%3B0%26amp%3B-5%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}1&4&2&-3\\2&7&0&-1\\3&9&0&-5\end{array}\right]")
Soluções para a tarefa
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Simplesmente é só contar o número de colunas e linhas
a) 2x3 b) 2x2 c)3x4
a) 2x3 b) 2x2 c)3x4
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