Question

Escreva a matriz a seguir C=(cij) 3x3
, tal que cij={i-j, se i ≠ j }
{ i² -2j , se i=j }

Answer 1

$\left[\begin{array}{ccc}A12&A12&A13\\A21&A22&A23\\A31&A32&A33\end{array}\right]$

$\left[\begin{array}{ccc}1^{2} -2x1&1-2& 1-3\\2-1&2 ^{2} -2x2&2-3\\3-1&3-2&3 ^{2}-2x2\end{array}\right]$