Complex Numbers And Quadratic Equations question 334

Question: In the argand diagram, if O, P and Q represents respectively the origin, the complex numbers z and z + iz, then the angle $ \angle OPQ $ is [MP PET 2000]

Options:

A) $ \frac{\pi }{4} $

B) $ \frac{\pi }{3} $

C) $ \frac{\pi }{2} $

D) $ \frac{2\pi }{3} $

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Answer:

Correct Answer: C

Solution:

It is a fundamental concept.