Zbadaj monotoniczność ciągu: an=(kreska ułamkowa)w liczniku 4−2n w mianowniku 3n+5,
| x2−5x+6 | ||
f(x)= | dla x≠3 i x≠5 | |
| x2−8x+15 |
| 1 | ||
− | dla x=3 | |
| 2 |
| 1 | ||
a)∑ | ||
| n3+1 |
| 1 | ||
b)∑ | ||
| n+11 |
| 1 | ||
c)∑} | sin 1n | |
| n |
| √n+1−√n | ||
d)∑ | ||
| n |
| 3n+1 | ||
e)∑ | ||
| n3+3 |
| sin2n | ||
f)∑ | ||
| n2 |
| 1 | ||
a)∑(−1)n+1 | ||
| n |
| 1 | ||
b)∑(−1)n+1 (1+ | )n | |
| n |
| 1 | ||
c)∑(−1)n+1 | ||
| 2n+1 |
| 1 | ||
d)∑(−1)n+1 | ||
| n2 |
| 1 | ||
e)∑(−1)n+1 | ||
| √n+1+√n |
| 1 | ||
f)∑(−1)n+1 | , r∊R | |
| nr |
