2 -3 -5
1 2 2
5 3 -1
2007-12-15 09:52:24 · 3 answers · asked by jared r 1 in Science & Mathematics ➔ Mathematics
- 1|- 3__- 5|
""" | 3__- 1|
- (3 + 15) = - 18
2007-12-19 09:50:33 · answer #1 · answered by Como 7 · 0⤊ 0⤋
Delete the 2nd row, first column and look
at the remaining 2nd order determinant.
The minor of the element you want is
-1³ *(3+15) = -18.
2007-12-15 11:24:14 · answer #2 · answered by steiner1745 7 · 0⤊ 0⤋
use your calculator..a graphing calculator (like one from Texas gadgets, TI-80 two and above) can resolve any matrix for you. [2nd] [x^-a million] [left] [enter] then you definately can tell the calculator your dimensions, and numbers. use the middle checklist [2nd][x^-a million][suitable] you could carry out many operations with the matrix, which includes "rref(" to simplify the matrix.
2016-12-11 05:55:19 · answer #3 · answered by ? 4 · 0⤊ 0⤋