Question

escreva a matriz B = (b ij) 2x3 que b ij= i. j​

Answer 1

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$\rm \bigg[B\bigg] =\begin{bmatrix}\sf a_{11}&\sf a_{12}&\sf a_{13}\\\sf a_{21}&\sf a_{22}&\sf a_{23}\end{bmatrix}\\\sf a_{11}=1\cdot1=1~~a_{12}=1\cdot2=2~~a_{13}=1\cdot3=3\\\sf a_{21}=2\cdot1=2~~a_{22}=2\cdot2=4\\\sf a_{23}=2\cdot3=6\\\rm\bigg[B\bigg]=\begin{bmatrix}\sf1&\sf2&\sf3\\\sf2&\sf4&\sf6\end{bmatrix}\blue{\checkmark}$