4. Hitunglah lim x→-1 (x² – 1)/(x + 1).
Jawab: lim x→-1 (x² – 1)/(x + 1) = 0.
5. Hitunglah lim x→2 (x-2)/(x² – 4).
Jawab: lim x→2 (x-2)/(x² – 4) = 1/4.
6. Hitunglah lim x→3 (x² – 9)/(x – 3).
Jawab: lim x→3 (x² – 9)/(x – 3) = 6.
4. Hitunglah lim x→-1 (x² – 1)/(x + 1).
Jawab: lim x→-1 (x² – 1)/(x + 1) = 0.
5. Hitunglah lim x→2 (x-2)/(x² – 4).
Jawab: lim x→2 (x-2)/(x² – 4) = 1/4.
6. Hitunglah lim x→3 (x² – 9)/(x – 3).
Jawab: lim x→3 (x² – 9)/(x – 3) = 6.