Question

find the determinant of the following ​

Answer 1

1 | -1 7 | - 2 | 4 7 | + 3 | 4 -1 |

| 4 6 | | 2 6 | | 2 4 |

1[-6 - 28] - 2[24 - 14] + 3[16 - (-2)]

1[-34] - 2[10] + 3[18]

-34 - 20 + 54

-54 + 54

0