granica ciągu
banan: Witam
kto pomoże z tą granicą:
lim nn3n*n!
12 lut 16:17
banan: tam w liczniku ma nie byc tego minusa
12 lut 16:18
yyhy:
granica to 0
| an+1 | | (n+1)n+13n*n! | | n+1 | | 1 | | 1 | |
| = |
| =( |
| )n*(n+1) |
| * |
| |
| an | | 3n+1(n+1)!nn | | n | | n+1 | | 3 | |
| | 1 | | 1 | | e | |
=(1+ |
| )n* |
| → |
| <1 więc an→0 |
| | n | | 3 | | 3 | |
12 lut 16:22