If \( z_{1} \),nd \( z_{2} \) are two non-zero complex numbers such...
If \( z_{1} \),nd \( z_{2} \) are two non-zero complex numbers such that \( \left|\frac{z_{1}}{z_{2}}\right|=2 \) and \( \arg \left(z_{1} z_{2}\right)=\frac{3 \pi}{2} \), then \( \frac{\bar{z}_{1}}{z_{2}} \) is equal to
\( \mathrm{P} \)
(A) 2
(B) \( -2 \)
(C) \( -2 i \)
(D) \( 2 \mathrm{i} \)
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