4 | = | ( | 4 | ÷ | 3 | × | k | ) | ( | 4 | ÷ | 3 | × | k | ) | + | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
方程右边 = | 4 | ÷ | 3 | × | k | ( | 4 | ÷ | 3 | × | k | ) | + | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 4 3 | k | ( | 4 | ÷ | 3 | × | k | ) | + | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 4 3 | k | × | 4 | ÷ | 3 | × | k | + | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 16 9 | k | k | + | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 16 9 | k | k | + | 3 | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | − | 4 | ÷ | 3 | × | k | k | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 16 9 | k | k | + | 3 | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) | − | 4 3 | k | k | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 16 9 | k | k | + | 3 | × | 3 | − | 3 | × | 4 | ÷ | 3 | × | k | k | − | 4 3 | k |
= | 16 9 | k | k | + | 9 | − | 4 | k | k | − | 4 3 | k | k | ( | 3 | − | 4 | ÷ | 3 | × | k | k | ) |
= | 16 9 | k | k | + | 9 | − | 4 | k | k | − | 4 3 | k | k | × | 3 | + | 4 3 |
= | 16 9 | k | k | + | 9 | − | 4 | k | k | − | 4 | k | k | + | 16 9 | k |
4 | = | 16 9 | k | k | + | 9 | − | 4 | k | k | − | 4 | k | k | + | 16 9 | k |
k1= | - | 3 2 |
k2= | - | √5 2 |
k3= | √5 2 |
k4= | 3 2 |