| tg3√x+tg1 | ||
lim | ||
| x+1 |
| tg3√x+tg1 | sin(3√x+1) | |||
limx→ −1 | = limx→ −1 | = | ||
| x+1 | (3√x3+1)cos3√x*cos1 |
| sin(3√x+1) | ||
= limx→ −1 | = | |
| (3√x+1)(3√x2−3√x+1)cos3√x*cos1 |
| sin(3√x+1) | 1 | |||
= limx→ −1 | * | = | ||
| 3√x+1 | (3√x2−3√x+1)cos3√x*cos1 |
| 1 | 1 | 1 | 1 | 1 | ||||||
= 1* | = | = | ≈ | = | . ![]() | |||||
| (1+1+1)cos(−1)*cos1 | 3cos1*cos1 | 3cos21 | 3*1 | 3 |