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Question
SOLVED
Find all real values of $$k$$ so that the matrix $$A=\begin{bmatrix}2&0&0&k^2-1\\0&-1&0&0\\0&k+2&2&0\\0&0&0&k\end{bmatrix}$$ is triangular.
Create Triangular Matrix
Find all real values of $$k$$ so that the matrix $$A=\begin{bmatrix}2&0&0&k^2-1\\0&-1&0&0\\0&k+2&2&0\\0&0&0&k\end{bmatrix}$$ is triangular.
Due date
passed
Posted 1 year, 4 months ago by Alex
Question
SOLVED
Find the value of the determinant of the matrix given by:
$$\begin{bmatrix}1&17&\pi^2&\frac{1}{251}&63\\0&-2&35&e^3&-1005\\0&0&2&47&\frac{1}{153}\\0&0&0&-1&5372\\0&0&0&0&-3\end{bmatrix}$$

$$\begin{bmatrix}1&17&\pi^2&\frac{1}{251}&63\\0&-2&35&e^3&-1005\\0&0&2&47&\frac{1}{153}\\0&0&0&-1&5372\\0&0&0&0&-3\end{bmatrix}$$