Regn ut determinanten det(102310041)\det\begin{pmatrix}1&0&2\\3&1&0\\0&4&1\end{pmatrix}det130014201.
Klikk for å snu kortet
Utvikling langs rad 1:
1(1⋅1−0⋅4)−0+2(3⋅4−1⋅0)=1(1)+2(12)=1+24=251(1\cdot 1-0\cdot 4)-0+2(3\cdot 4-1\cdot 0)=1(1)+2(12)=1+24=251(1⋅1−0⋅4)−0+2(3⋅4−1⋅0)=1(1)+2(12)=1+24=25.
Space / Enter for å snu