Complex Numbers And Quadratic Equations question 98
Question: Let $ z $ be a complex number. Then the angle between vectors $ z $ and $ -iz $ is
Options:
A) $ \pi $
0
C) $ -\frac{\pi }{2} $
D) None of these
Show Answer
Answer:
Correct Answer: C
Solution:
Since the multiplication of a complex number by $ -i $ rotates it by a right angle in the negative (clockwise) direction.
BETA
