Determinant (3x3) Sarrus' Rule - Matrix to Supplement

Question

Using Sarrus' rule, which shows this matrix supplemented with its first two columns?

$$\left[ {\begin{array} {ccc}  6 &  4 &  8 \ 1 &  6 &  7 \ 2 &  -5 &  8 \end{array}  } ight]$$

Accepted Answer

$$\left[ {\begin{array} {ccc}  6 &  4 &  8 &  6 &  4 \ 1 &  6 &  7 &  1 &  6 \ 2 &  -5 &  8 &  2 &  -5 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc}  6 &  5 &  8 &  6 &  4 \ 1 &  6 &  7 &  1 &  6 \ 2 &  -5 &  8 &  2 &  -5 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc}  6 &  1 &  8 &  6 &  4 \ 1 &  6 &  7 &  1 &  6 \ 2 &  -5 &  8 &  2 &  -5 \end{array}  } ight]$$

Answer

$$\left[ {\begin{array} {ccc}  6 &  4 &  8 &  6 &  4 \ 1 &  6 &  7 &  -1 &  6 \ 2 &  -5 &  8 &  2 &  -5 \end{array}  } ight]$$

Practice: Matrices