Questão 1603546

\(\begin{bmatrix} 1 & nx \\ 0 & 1 \\ \end{bmatrix}\) .

\(\begin{bmatrix} n & nx \\ 0 & n \\ \end{bmatrix}\) .

\(\begin{bmatrix} n & \frac{n(n+1)}{2}x \\ 0 & n \\ \end{bmatrix}\) .

\(\begin{bmatrix} n & 𝑛(𝑛 + 1)x \\ 0 & n \\ \end{bmatrix}\) .

\(\begin{bmatrix} 1 & (𝑛 + 1)x \\ 0 & 1 \\ \end{bmatrix}\) .