Search

8.7 Визначник матриць
https://ukrayinska.libretexts.org/%D0%94%D0%BE%D0%BA%D0%BE%D0%BB%D0%B5%D0%B4%D0%B6%D0%BD%D0%B0_%D0%BE%D1%81%D0%B2%D1%96%D1%82%D0%B0/%D0%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0/%D0%9F%D0%BE%D0%BF%D0%B5%D1%80%D0%B5%D0%B4%D0%BD%D1%94_%D0%BE%D0%B1%D1%87%D0%B8%D1%81%D0%BB%D0%B5%D0%BD%D0%BD%D1%8F/08%3A_%D0%A1%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B8_%D1%82%D0%B0_%D0%BC%D0%B0%D1%82%D1%80%D0%B8%D1%86%D1%96/8.7_%D0%92%D0%B8%D0%B7%D0%BD%D0%B0%D1%87%D0%BD%D0%B8%D0%BA_%D0%BC%D0%B0%D1%82%D1%80%D0%B8%D1%86%D1%8C
\(\left|\begin{array}{cccc}4 & 5 & 0 & 2 \\ -1 & -3 & 0 & 3 \\ 4 & 8 & 1 & 5 \\ -3 & 2 & 0 & 9\end{array}\right|=0 \cdot\left|\begin{array}{ccc}-1 & -3 & 3 \\ 4 & 8 & 5 \\ -3 & 2 & 9\end{array}\right|... $\left|\begin{array}{cccc}4 & 5 & 0 & 2 \\ -1 & -3 & 0 & 3 \\ 4 & 8 & 1 & 5 \\ -3 & 2 & 0 & 9\end{array}\right|=0 \cdot\left|\begin{array}{ccc}-1 & -3 & 3 \\ 4 & 8 & 5 \\ -3 & 2 & 9\end{array}\right|-0 \cdot\left|\begin{array}{ccc}4 & 5 & 2 \\ 4 & 8 & 5 \\ -3 & 2 & 9\end{array}\right|+1 \cdot\left|\begin{array}{ccc}4 & 5 & 2 \\ -1 & -3 & 3 \\ -3 & 2 & 9\end{array}\right|-0 \cdot\left|\begin{array}{ccc}4 & 5 & 2 \\ -1 & -3 & 3 \\ 4 & 8 & 5\end{array}\right|$