| sin3x | ||
lim | ||
| 4x |
| n+2 | ||
lim ( | )3n do potęgi 3n | |
| n |
| sin3x | sin3x | 3 | |||
= | * | → ... | |||
| 4x | 3x | 4 |
| n + 2 | 2 | |||
( | )3n = ((1 + | )n)3 → ... | ||
| n | n |
| sin3x | 3 | sin3x | 3 | |||
= | → | |||||
| 4x | 4 | 3x | 4 |
| n+2 | 2 | |||
( | )3n = (1 + | )3n → e6. | ||
| n | n |
| 3cos3x | 3 | |||
, jak wiadomo cosinus w zerze jest równy 1, czyli granica jest równa | ||||
| 4 | 4 |