- 1x1 + 4x2 +8x3 +7x4 = -6
2x1 - 8x2 +9x3 -4x4 = -3
5x1 - 9x2 - 8x3 + 8x4 = 19
2x1 - 1x2 - 3x3 + 1x4 = 0
jawabnnya
x1 = -3
x2 = -2
x3 = -1
x4 = 1

cari jalnnya dengan metode gaus,metode jordan,dan metode gaus jordan

1

Jawabanmu

2014-02-22T17:51:43+07:00
 1x1 + 4x2 +8x3 +7x4 = -6
  2x1 - 8x2  +9x3 -4x4 = -3
  5x1 - 9x2 - 8x3 + 8x4 = 19
  2x1 - 1x2 - 3x3 + 1x4 = 0