Q7Single correct5 Marks21 Dec 2025Let A = [1−234v1v2]\begin{bmatrix} 1 & -2 & 3 \\ 4 & v_1 & v_2 \end{bmatrix}[14−2v13v2] . Choose the correct option.AIf rank A = 1, then v_1 + v_2 = -20.BIf rank A = 1, then v_1 - v_2 = 4.CIf v_1 = v_2, then rank A = 1.DIf v_1 = v_2, then rank A = 2.