Math Chapter Wise Complex Number, De Moivre's Theorem And Nth Root Of Unity English MCQ EMRS TGT-2023 Q.If x2 + 2x + k is a factor of 2x4 + x3 – 14x2 + 5x + 6, then the value of k is: A2 B–2 C–3 D3 Show answer Correct answer: –3