Math Chapter Wise Complex Number, De Moivre's Theorem And Nth Root Of Unity English MCQ SECTION B PGT TIER-I 31.11.2014 Q.If a + ib = c + id, then– A2 2/a c 0 B2 2/b c 0 C2 2/b d 0 D2 2 2 2/a b c d Show answer Correct answer: 2 2 2 2/a b c d