KT Excel 2017
/p) x2 + px3 - m(p+2)x4= -36 18 -1.5 4 -36 0 -36
(m-p) x3 + mx4 - px5 = 84 0 10 -2 6 -4 84
p)x3 - (2m+p)x4 - (3p-m)x5= 160 4 0 2 -16 -6 160
detx2 detx3
12 100 -1 0 24 -22843840 12 12 100
6 -204 24 -4 3 -22843840 6 -8 -204
18 -36 4 -36 0 18 -1.5 -36