Question

03. Considerando as matrizes:

Answer 1

Resposta:

$a)\left[\begin{array}{ccc}3\\9\\12\end{array}\right]$

$b)\left[\begin{array}{ccc}1\\-3\\0\end{array}\right]$

Espero ter ajudado!

Answer 2

Resposta:

segue resposta e explicação

Explicação passo a passo:

Sejam as matrizes:

                      $A = \left[\begin{array}{ccc}2\\3\\6\end{array}\right]$        $B = \left[\begin{array}{ccc}2\\4\\0\end{array}\right]$         $C = \left[\begin{array}{ccc}0\\4\\2\end{array}\right]$

a)

$A + B + C = \left[\begin{array}{ccc}2\\3\\6\end{array}\right] + \left[\begin{array}{ccc}1\\2\\4\end{array}\right] + \left[\begin{array}{ccc}0\\4\\2\end{array}\right] = \left[\begin{array}{ccc}3\\9\\12\end{array}\right]$

b)

$A - B - C = \left[\begin{array}{ccc}2\\3\\6\end{array}\right] - \left[\begin{array}{ccc}1\\2\\4\end{array}\right] - \left[\begin{array}{ccc}0\\4\\2\end{array}\right] = \left[\begin{array}{ccc}1\\-3\\0\end{array}\right]$

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