| n+2 | ||
Lim n→∞ ( | )3n | |
| n−2 |
| √x+4 −2 | ||
Lim x→0 | ||
| x2 − x |
| n+2 | 4 | 1 | ||||||||||
a) −−−− ( | )3n = (1 + | )3n = (1 + | )3n = | |||||||||
| n−2 | n−2 |
|
| 1 | ||||||||
= (1 + | )(n−2)/4 * 4/(n−2) * 3n = e {4/(n−2) * 3n} −> e12 | |||||||
|
| √x+4−2 | √x+4−2 | √x+4+2 | |||
= | * | = | |||
| x2−x | x(x−1) | √x+4−+2 |
| x+4 − 4 | 1 | 1 | 1 | |||||
= | = | −> | = − | |||||
| x(x−1)(√x+4+2) | (x−1)(√x+4+2) | −4 | 4 |