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Question

z1=a+ib and z2=c+id are two complex numbers then z1>z2 is meaningful if

A
a>c and b>d
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B
a+c>b+d
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C
a=c=0 and b>d
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D
a>c and b=d=0
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Solution

The correct option is D a>c and b=d=0
Comparison of two complex numbers is only possible when the imaginary parts are zero.
Now,
z1>z2a+ib>c+id is meaningful if b=d=0 and a>c.

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