Question: 52 determine the signs to be attached to the relevant...
5.2 Determine the signs to be attached to the relevant
minors in order to get the following cofactors of a determinant:
lC_13 l, lC_23 l, l C_33 l, lC_41 l, and oF_34 l.
Please answer #2 in the picture with purple mark
Example of problem.