For (s'' bs' 8s=0), find the interval when it is overdamped and underdamped.
a. Overdamped: (b² > 4(8)), Underdamped: (b² < 4(8))
b. Overdamped: (b² < 4(8)), Underdamped: (b² > 4(8))
c. Overdamped: (b² = 4(8)), Underdamped: (b² ≠ 4(8))
d. Overdamped: (b² ≠ 4(8)), Underdamped: (b² = 4(8))