gaokao 2020 Q2

gaokao · China · national-III-arts 5 marks Complex Numbers Arithmetic Solving Equations for Unknown Complex Numbers

If $\bar { z } ( 1 + \mathrm { i } ) = 1 - \mathrm { i }$, then $z =$
A. $1 - \mathrm { i }$
B. $1 + \mathrm { i }$
C. $- i$
D. $i$

If $\bar { z } ( 1 + \mathrm { i } ) = 1 - \mathrm { i }$, then $z =$\\
A. $1 - \mathrm { i }$\\
B. $1 + \mathrm { i }$\\
C. $- i$\\
D. $i$