Question

urgente me ajudem
assunto matriz

Determine B (b) 3x2, que possui a seguinte lei de formação bij = 2i + 3).​

Answer 1

$\Large\boxed{\begin{array}{l}\sf B=(b_{ij})_{3\times 2},bij=2i+3j\\\sf b_{11}=2\cdot1+3\cdot1=5\\\sf b_{12}=2\cdot1+3\cdot2=8\\\sf b_{21}=2\cdot2+3\cdot1=7\\\sf b_{22}=2\cdot2+3\cdot2=10\\\sf b_{31}=2\cdot3+3\cdot1=7\\\sf b_{32}=2\cdot3+3\cdot2=12\\\sf B=\begin{bmatrix}\sf5&\sf8\\\sf7&\sf10\\\sf7&\sf12\end{bmatrix}\end{array}}$