1700 | = | 1000 | × | 12 100 | ( | 1 | + | i | ) | − | 1 | + | 1000 | × | 12 100 | ( | 1 | + | i | ) | − | 2 | + | 1000 | × | 12 100 | ( | 1 | + | i | ) | − | 4 |
Right side of the equation = | 120 | ( | 1 | + | i | ) | − | 1 | + | 120 | ( | 1 | + | i | ) | − | 2 | + | 120 | ( | 1 | + | i | ) | − | 4 | + | 120 | ( | 1 | + | i | ) | − | 5 |
= | 120 | ( | 1 | + | i | ) | − | 24 | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 |
1700 | = | 120 | ( | 1 | + | i | ) | − | 24 | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 |
Right side of the equation = | 120 | × | 1 | + | 120 | i | − | 24 | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 |
= | 120 | + | 120 | i | − | 24 | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) |
= | 96 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 |
= | 96 | + | 120 | i | + | 120 | × | 1 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 |
= | 96 | + | 120 | i | + | 120 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) |
= | 216 | + | 240 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 | ( | 1 | + | i | ) |
= | 216 | + | 240 | i | + | 120 | × | 1 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 |
= | 216 | + | 240 | i | + | 120 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 | ( | 1 | + | i | ) |
= | 336 | + | 360 | i | + | 120 | ( | 1 | + | i | ) | + | 120 | ( | 1 | + | i | ) | + | 1000 | ( | 1 | + | i | ) |
= | 336 | + | 360 | i | + | 120 | × | 1 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 1000 | ( | 1 | + | i | ) |
= | 336 | + | 360 | i | + | 120 | + | 120 | i | + | 120 | ( | 1 | + | i | ) | + | 1000 | ( | 1 | + | i | ) |
= | 456 | + | 480 | i | + | 120 | ( | 1 | + | i | ) | + | 1000 | ( | 1 | + | i | ) |
= | 456 | + | 480 | i | + | 120 | × | 1 | + | 120 | i | + | 1000 | ( | 1 | + | i | ) |
= | 456 | + | 480 | i | + | 120 | + | 120 | i | + | 1000 | ( | 1 | + | i | ) |
= | 576 | + | 600 | i | + | 1000 | ( | 1 | + | i | ) |
= | 576 | + | 600 | i | + | 1000 | × | 1 | + | 1000 | i |
= | 576 | + | 600 | i | + | 1000 | + | 1000 | i |
= | 1576 | + | 1600 | i |
1700 | = | 1576 | + | 1600 | i |
- | 1600 | i | = | 1576 | − | 1700 |
- | 1600 | i | = | - | 124 |
124 | = | 1600 | i |
1600 | i | = | 124 |
i | = | 124 | ÷ | 1600 |
= | 124 | × | 1 1600 |
= | 31 | × | 1 400 |
i | = | 31 400 |
i | = | 0.0775 |