Find the Properties State which one of the row operations for determinants is illustrated in each of Problems 1-3.
1.

2.

3.

Basketweave for 3 ( 3 There is a shortcut for finding the determinant of a 3 ( 3 matrix. For example. let

And repeat the first and second columns to the right of the original three columns:

Now, add the products along the downward arrows and subtract the products along the upward arrows, getting
(10 + 0 + 4) - (16 + 0 + 10) = - 12.

Transcribed Image Text:

1 2 1 1 6 6 3 -3 1 2 2 405 221 t 2.4.1"が I 2 0 2