f (x) has two real roots and one imaginary root.f (x) has three real roots.f (x) has five real roots.f (x) has three real roots and two imaginary roots.
Answer
A
f (x) has two real roots and one imaginary root.
B
f (x) has three real roots.
C
f (x) has five real roots.
D
f (x) has three real roots and two imaginary roots.