| f(xo+△x)−f(xo) | f(1+△x)−f(1) | |||
lim | ||||
| △x | △x |
| ln1+△x−ln1 | |
i nie wiem co dalej,pomożecie? | |
| △x |
| 1 | ||
Pochodna prawostronna: (lnx)' = | |1 = 1 | |
| x |
| f(x)−f(1) | ||
limx→1− | = | |
| x−1 |
| (1−x2)−(1−12) | ||
limx→1− | = | |
| x−1 |
| 1−x2 | ||
limx→1− | = | |
| x−1 |
| (1−x)(1+x) | ||
limx→1− | ||
| x−1 |
| f(x)−f(1) | ||
limx→1+ | = | |
| x−1 |
| lnx − ln1 | ||
limx→1+ | = | |
| x−1 |
| lnx | ||
limx→1+ | = | |
| x−1 |
| 1x | ||
limx→1+ | = 1 | |
| 1 |