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Question: Answered & Verified by Expert
$a+i b \gt c+i d$ can be explained only when
MathematicsComplex NumberJEE Main
Options:
  • A $b=0, c=0$
  • B $b=0, d=0$
  • C $a=0, c=0$
  • D $a=0, d=0$
Solution:
2263 Upvotes Verified Answer
The correct answer is: $b=0, d=0$
$a+i b \gt c+i d$, it is defined if and only if imaginary parts must be equal to zero.
Therefore $i b=i d=0 \Rightarrow b=d=0 \quad(i \neq 0)$

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