| 60√8+√6 | ||
5. Liczbę | zapisano w postaci m + n, gdzie m, n ∊C. Zakoduj cyfrę | |
| √8+√6 |
| 60√8+√6 | √8−√6 | ||
* | = licz | ||
| √8+√6 | √8−√6 |
| 60*√8+√6 | √8−√6 | ||
* | = | ||
| √8+√6 | √8−√6 |
| (60*√8+√6)*(√8−√6) | ||
= | = | |
| √82−√62 |
| 60*8−60*√8*6+√6*8−6 | ||
= | = | |
| 8−6 |
| 480−60*4√3+4√3−6 | ||
= | ||
| 2 |
| 474−240√3+4√2 | ||
= | = | |
| 2 |
| 474−236√3 | ||
= | ||
| 2 |
| 60 √8 + √6 | 120 + √3 | ||
= | = (120 + √3)(2−√3) = 237 − 118 √2 | ||
| √8 +√6 | 2 + √3 |