=
2
Pembahasan:
lim 2x³ – 4x
x￫∞ x³ + x² – 5
2x³ _ 4
= lim x³ x³
x￫∞ x³ ₊ x² _ 5
x³ x³ x³
2 _ 4
= lim x³
x￫∞ 1 ₊ 1 _ 5
x x³
= 2