| x4+x2+x√2+2 | |
−x√2= | |
| x2−x√2+2 |
| x4+x2+x*√2+2 | |
− x√2 = | |
| x2−x√2+2 |
| x4+x2+x*√2+2−x*√2*(x2−x*√2+2) | |
= | |
| x2−x*√2+2 |
| x4+x2+x*√2+2−x3*√2+2*x2−2*x*√2 | |
= | |
| x2−x*√2+2 |
| x4−x3*√2+3*x2−x*√2+2 | |
= | |
| x2−x*√2+2 |
| x2*(x2−x*√2+2)+(x2−x*√2+2) | |
= x2 + 1 | |
| x2−x*√2+2 |
zawsze mozna liczyc na Ciebie