| |||||||||||||||
an= | |||||||||||||||
| 12 + 22 + 32 + ...+ (2n−1)2 |
| (2n)! | (2n−2)!*(2n−1)(2n) | |||||||||
= | = | = n(2n−1) | |||||||||
| (2n−2)!*(2!) | (2n−2)!*2 |
| k(k+1)(2k+1) | ||
12 + 22 + 32 + ... + k2 = | , | |
| 6 |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
| Kliknij po więcej przykładów | |
|---|---|
| Twój nick | |
