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Identities for x
| Question | Answer |
|---|---|
| x² + 1/x² | (x + 1/x)² − 2 |
| x² - 1/x² | (x − 1/x)² + 2 |
| x³ + 1/x³ | (x + 1/x)³ − 3(x + 1/x) |
| x³ − 1/x³ | (x − 1/x)³ + 3(x − 1/x) |
| x⁴ + 1/x⁴ | (x² + 1/x²)² − 2 |
| x⁵ + 1/x⁵ | (x + 1/x)⁵ − 5(x³ + 1/x³) − 10(x + 1/x) |
| x⁶ + 1/x⁶ | (x³ + 1/x³)² − 2 |