(xy2-1)(x2y4+xy2+1)= কত? ক xy-1 খ x2y2-1 গ x3y6-1 ঘ x3y3 (xy2-1)(x2y4+xy2+1)= কত? সঠিক উত্তর x3y6-1 Bissoy MCQ Team Nov 19, 2024
