- Calcule os seguintes limites:
(a) lim x->0 (√x + 4 - 2) / x
(b) lim x->2 (x + 2) / (√x + 2)
- Calcule os seguintes limites no infinito:
(a) lim x->+∞ (2x³ + 5x + 1) / (x⁴ + 5x³ + 3)
(b) lim x->+∞ (3x² - 2)
(c) lim x->+∞ (x² - 2x + 3)
(d) lim x->+∞ (3x³ + x + 1) / (2x² - 2x + 3)