| 1 | + | ( | 1 | ÷ | 4 | ) | + | ( | 1 | ÷ | 9 | ) | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
| 1 | + | 1 | ÷ | 4 | + | ( | 1 | ÷ | 9 | ) | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
| 1 | + | 1 4 | + | ( | 1 | ÷ | 9 | ) | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
5 4 | + | ( | 1 | ÷ | 9 | ) | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
5 4 | + | 1 | ÷ | 9 | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
5 4 | + | 1 9 | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
49 36 | + | ( | 1 | ÷ | 25 | ) | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
49 36 | + | 1 | ÷ | 25 | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
49 36 | + | 1 25 | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
1261 900 | + | ( | 1 | ÷ | 36 | ) | + | ( | 1 | ÷ | n | ) | = | 0 |
1261 900 | + | 1 | ÷ | 36 | + | ( | 1 | ÷ | n | ) | = | 0 |
1261 900 | + | 1 36 | + | ( | 1 | ÷ | n | ) | = | 0 |
643 450 | + | ( | 1 | ÷ | n | ) | = | 0 |
643 450 | + | 1 | ÷ | n | = | 0 |
| Multiply both sides of the equation by: | n |
643 450 | n | + | 1 | = | 0 |
643 450 | n | = | 0 | − | 1 |
643 450 | n | = | - | 1 |
| n | = | - | 1 | ÷ | 643 450 |
| = | - | 1 | × | 450 643 |
| n | = | - | 450 643 |
| n | = | - 0.699844 |