( | m | − | 1 | ) | ( | m | − | 2 | ) | ( | m | − | 3 | ) | ( | m | − | 4 | ) | = | 0 |
方程左边 = | m | ( | m | − | 2 | ) | ( | m | − | 3 | ) | ( | m | − | 4 | ) | − | 1 | ( | m | − | 2 | ) | ( | m | − | 3 | ) | ( | m | − | 4 | ) |
= | m | m | ( | m | − | 3 | ) | ( | m | − | 4 | ) | − | m | × | 2 | ( | m | − | 3 | ) | ( | m | − | 4 | ) | − | 1 | ( | m | − | 2 | ) | ( | m | − | 3 | ) | ( | m | − | 4 | ) |
= | m | m | m | ( | m | − | 4 | ) | − | m | m | × | 3 | ( | m | − | 4 | ) | − | m | × | 2 | ( | m | − | 3 | ) | ( | m | − | 4 | ) |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | ( | m | − | 4 | ) |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |
= | m | m | m | m | − | m | m | m | × | 4 | − | m | m | × | 3 | m |