ocr: 173 4-2 4-2 - ( - - - 0 51 1 -(4X1)-(-2X5)-14 51 2 Sign arrays. for a 3x3 determinant for a 4x4 determinant The sign ofa number ina determinant in rowi and column /is (-1)i+j Roll the cursor over a number in this determinant to see the minor of that number. The Minors of a Determinant