Question

construa a matriz B3×3 tal que bij=2i-j²​

Answer 1

Resposta:

Explicação passo a passo:

$\left[\begin{array}{ccc}2(1)-1^{2}&2(1)-2^{2}&2(1)-3^{2}\\2(2)-1^{2}&2(2)-2^{2}&2(2)-3^{2}\\2(3)-1^{2}&2(3)-2^{2}&2(3)-3^{2}\end{array}\right] = \left[\begin{array}{ccc}1&-2&-4\\3&0&-2\\5&2&-3\end{array}\right]$