Question

matriz quadrada :de ordem 3 tal que aij =j3 -2j.

Answer 1

$\left[\begin{array}{ccc} \alpha 11& \alpha 12& \alpha 13\\ \alpha 21& \alpha 22& \alpha 23\\ \alpha 31& \alpha 32& \alpha 33\end{array}\right] = \left[\begin{array}{ccc}1&-1&-3\\4&2&0\\7&5&3\end{array}\right]$

a11 = aij
a12 = aij
...
a33 = aij