Question

Efetue as matrizes:
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Answer 1

a)

$\left[\begin{array}{ccc}5&11\\4&11\\15&4\end{array}\right]$

b)

$\left[\begin{array}{ccc}-7&-7&3\\10&2&-13\end{array}\right]$

Gostaria de receber melhor resposta. grato!