Solve.
+ 
= 1
+ 
= 1
A. (-i
, -2i
), (-i
, 2i
), (i
, -2i
), (i
, 2i
)
B. (-i
, 2i
), (i
, 2i
)
C. (-i
, -4), (-i
, 4), (i
, -4), (i
, 4)
D. (-i
, 4), (i
, 4)
Answer: C
Mathematics
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