-2x4 + 16x2 = 0 x1 = 2.83 x2 = -2.83x3 = 0 x4 = 0 | -6x4 - 60x2 - 144 = 0 x1 = ◊ x2 = ◊x3 = ◊ x4 = ◊ |
-x4 + 4x2 - 3 = 0 x1 = 1 x2 = -1x3 = 1.73 x4 = -1.73 | -2x4 - 24x2 - 40 = 0 x1 = ◊ x2 = ◊x3 = ◊ x4 = ◊ |
-8x4 - 144x2 - 640 = 0 x1 = ◊ x2 = ◊x3 = ◊ x4 = ◊ | -8.5x4 + 68x2 - 127.5 = 0 x1 = 1.73 x2 = -1.73x3 = 2.24 x4 = -2.24 |
-4.5x4 - 72x2 - 270 = 0 x1 = ◊ x2 = ◊x3 = ◊ x4 = ◊ | -x4 = 0 x1 = 0 x2 = 0x3 = 0 x4 = 0 |
-7.5x4 - 22.5x2 = 0 x1 = 0 x2 = 0x3 = ◊ x4 = ◊ | 6x4 - 54x2 + 108 = 0 x1 = 2.45 x2 = -2.45x3 = 1.73 x4 = -1.73 |
7.5x4 - 37.5x2 + 45 = 0 x1 = 1.41 x2 = -1.41x3 = 1.73 x4 = -1.73 | -0.5x4 - 2.5x2 + 7 = 0 x1 = ◊ x2 = ◊x3 = 1.41 x4 = -1.41 |
-7.5x4 - 37.5x2 + 105 = 0 x1 = 1.41 x2 = -1.41x3 = ◊ x4 = ◊ | 10x4 + 80x2 = 0 x1 = ◊ x2 = ◊x3 = 0 x4 = 0 |
8x4 - 104x2 + 336 = 0 x1 = 2.65 x2 = -2.65x3 = 2.45 x4 = -2.45 | 6x4 - 30x2 - 84 = 0 x1 = 2.65 x2 = -2.65x3 = ◊ x4 = ◊ |
8.5x4 - 93.5x2 + 204 = 0 x1 = 2.83 x2 = -2.83x3 = 1.73 x4 = -1.73 | x4 + 4x2 = 0 x1 = ◊ x2 = ◊x3 = 0 x4 = 0 |
-2.5x4 + 2.5x2 + 30 = 0 x1 = 2 x2 = -2x3 = ◊ x4 = ◊ | 1.5x4 + 12x2 + 24 = 0 x1 = ◊ x2 = ◊x3 = ◊ x4 = ◊ |