Jawab:
lim x² – x – 12 ₌ 3² – 3 – 12
x➙3 x³ 3³
₌ 9 – 3 – 12
27
₌ -6 ₌ _ 2
27 9
Makara, hasil lim x² – x – 12 ₌ _ 2
x➙3 x³ 9