1.2.20 Determinant calculation
condition: Calculate the third-order determinant using the Sarrus method. \[ \left|\begin{array}{ccc} 3 & 2 & 2 \\ -1 & 4 & 1 \\ 2 & 0 & 1 \end{array}\right| \]
Calculation of determinants - both simple and complex, both low orders and higher ones.