Math Chapter Wise Complex Number, De Moivre's Theorem And Nth Root Of Unity English MCQ UP PCS (Pre) 1997 Q.If 35 200 1 3 1 3 z i i 2 2 2 2 = − + + − − = − + + − − = − + + − − = − + + − − then: ARe (z)<0 BRe(z) = 0 CRe(z) > 0 DNone of these Show answer Correct answer: Re (z)<0