\[a+ib>c+id\]can be explained only when

1.	\[a+ib>c+id\]can be explained only when
A.	\[b=0,c=0\]
B.	\[b=0,d=0\]
C.	\[a=0,c=0\]
D.	\[a=0,d=0\]
Answer» C. \[a=0,c=0\]

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\[a+ib>c+id\]can be explained only when

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