| 1 | ||
Niech a,b>0 takie że a2+ab+b2=1oraz a4+b4= | , oblicz (a+b)4. | |
| 2 |
| 1 | ||
(x2 − 2y2)2 = | ||
| 2 |
| 1 | |
+ 2(ab)2 = 1 − 2ab + (ab)2 | |
| 2 |
| 1 | ||
(ab)2 + 2ab − | = 0 | |
| 2 |
| 3 | ||
(a+b)4 = (a2 + b2 + 2ab)2 = (a2 + b2 + ab + ab)2 = | ||
| 2 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
| Kliknij po więcej przykładów | |
|---|---|
| Twój nick | |