Write the conjugate 
of the complex number z. Then find z
.z = 7 - 2i
A. 
= 7 + 2i, z
= 49 - 4i2
B. 
= 7 + 2i, z
= 53
C. 
= 7 + 2i, z
= 49 - 4i
D. 
= 7 + 2i, z
= 45
Answer: B
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