Math Challenges

Problem #57

Tag: linear_algebra

Determinants

Use properties of determinants to determine whether the following matrix is invertible.

\[ \begin{pmatrix}2 & 0 & 0 & 8\\ 1 & -7 & -5 & 0\\ 3 & 8 & 6 & 0\\ 0 & 7 & 5 & 4\end{pmatrix} \]