A) \[\pi \]
B) \[\frac{\pi }{2}\]
C) 0
D) \[-\frac{\pi }{2}\]
Correct Answer: D
Solution :
Let\[z=0+ib\], where\[b<0\]. Then \[z\] is represented by a point on \[O{Y}'\] (negative direction of \[y-\]axis), therefore\[arg(z)=-\frac{\pi }{2}\].You need to login to perform this action.
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