MCQ
कथन $(a+i b)<(c+i d)$ निम्न में से किसके लिए सत्य है-
  • A
    $a^2+b^2=0$
  • B
    $b^2+c^2=0$
  • C
    $a^2+c^2=0$
  • $b^2+d^2=0$

Answer

Correct option: D.
$b^2+d^2=0$
(D)$b^2+d^2=0$

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