For any complex number \[z,\bar{z}=\left( \frac{1}{z} \right)\]if and only if [RPET 1985]

\[z\]is a pure imaginary number

For any complex number \[z,\bar{z}=\left( \frac{1}{z} \right)\]if and

1.	For any complex number \[z,\bar{z}=\left( \frac{1}{z} \right)\]if and only if [RPET 1985]
A.	\[z\] is a pure real number
B.	\[\|z\|=1\]
C.	\[z\]is a pure imaginary number
D.	\[z=1\]
Answer» C. \[z\]is a pure imaginary number

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For any complex number \[z,\bar{z}=\left( \frac{1}{z} \right)\]if and only if [RPET 1985]

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