1.2.20 Determinant Calculation
Condition: Calculate the third -order determinant by the Sarrus method. \ [\ Left | \ begin {Array} {ccc} 3 & 2 & 2 & 2 &1 &1 & 1 \\ 2 & 0 & 1 \ End {Array} \ Right | \]
Calculation of Determinants - Both Simple and Complex, Both Low Orders and Higher Oones.