Question

Efetue as operações a+b,2b+c e A-c para as matrizes: A= (aij) 2*3 onde aij = 2j - 6i

Answer 1

$\left[\begin{array}{ccc}a_{11}&a_{12}&a_{13}\\a_{21}&a_{22}&a_{23}\\\end{array}\right] \\ \\ \\ \\ \left[\begin{array}{ccc}2.1-6.1&2.1-6.2&2.1-6.3\\2.2-6.1&2.2-6.2&2.2-6.2\\\end{array}\right] \\ \\\\\\ \left[\begin{array}{ccc}-4&-10&-16\\-2&-8&-14\\\end{array}\right]$

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