Question

If z and $\omega$ are non-zero complex numbers such that $|z\omega|=1$ and $arg(z)-arg(\omega)=\frac{\pi}{2}$, then $\bar{z}\omega$ is equal to

• A. 1
• B. -1
• C. i
• D. -i

Answer 1

Answer: (D)

-i

Answer 2

The correct option is (D): -i