Question

Find the value

Answer 1

@jim_thompson5910 how do i do this?

Answer 2

the vertical bars mean "determinant"

Answer 3

So how would I find the value?

Answer 4

step 1) copy the first 2 columns and write them to the right of the vertical bar

Answer 5

Ok and then what?

Answer 6

step 2) group up the elements into subgroups by circling the elements along the diagonals like this (see circled)