Question

Escreva a matriz B=(bij)3x3, onde bij= i sobre j

Answer 1

$B = \left[\begin{array}{ccc} b_{11} & b_{12} & b_{13} \\ b_{21} & b_{22} & b_{23} \\ b_{31} & b_{32} & b_{33} \end{array}\right] \\ B= \left[\begin{array}{ccc}1& \frac{1}{2} & \frac{1}{3} \\2&1& \frac{2}{3} \\3& \frac{3}{2} &1\end{array}\right]$