=
2
Pembahasan:
lim (√4x² + 4x – 1) – (2x – 1)
x￫∞
= lim √4x² + 4x – 1 – √4x² – 4x + 1
x￫∞
= b – p
2√a
= 4 – (–4)
2√4
= 8
2 . 2
= 8
4
= 2