| Ταυτότητα |
| (α + β)2 = α2+2αβ+β2 |
| (α - β)2 = α2 - 2αβ + β2 |
| (α + β)3 = α3 + 3α2β + 3αβ2 + β3 |
| (α - β)3 = α3 - 3α2β + 3αβ2 - β3 |
| α2 - β2 = (α + β)(α - β) |
| α3 - β3 = (α - β)(α2 + αβ + β2) |
| α3 + β3 = (α + β)(α2 - αβ + β2) |
| (α + β)4 = α4+4α3β+6α2β2+4αβ3+β4 |
| (α - β)4 = α4-4α3β+6α2β2-4αβ3+β4 |
| (α+β+γ)2 = α2+β2+γ2+2αβ+2αγ+2βγ |
| (α+β+γ)3 = α3+β3+γ3+3(α+β)(α+γ)(β+γ) |
