Write the conjugate 
of the complex number z. Then find z
.z = 
+ 4i
A. 
= 
- 4i, z
= 26
B. 
= 
- 4i, z
= 21
C. 
= 
- 4i, z
= 11
D. 
= 
- 4i, z
= -11
Answer: B
Mathematics
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