| 1 | ||
an= 2− | ||
| 2−3n |
| 1 | 1 | 1 | ||||
an+1= 2− | = 2− | =2− | ||||
| 2−3(n+1) | 2−3n−3 | −3n−1 |
| 1 | ||
an+1−an= 2− | − 2 | |
| 2−3n |
| 1 | 1(−3n−1)−1(2−3n) | −3n−1−2+3n | ||||
− | = | = | ||||
| (−3n−1) | (2−3n)(−3n−1) | 2−3n)(−3n−1) |
| −3 | ||
= | < o , Ciąg jest malejący | |
| (−3n−1)(2−3n) |
| 5^2 | 52 |
| 2^{10} | 210 |
| a_2 | a2 |
| a_{25} | a25 |
| p{2} | √2 |
| p{81} | √81 |
| Kliknij po więcej przykładów | |
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| Twój nick | |