1.Let AAA and BBB be two 3×33 \times 33×3 non-zero real matrices such that ABABAB is a zero matrix. Then:a.The system of linear equations AX=0AX = 0AX=0 has a unique solutionb.The system of linear equations AX=0AX = 0AX=0 has infinitely many solutionsc.BBB is an invertible matrixd.adj(A)\operatorname{adj}(A)adj(A) is an invertible matrixLogin to continueOnly logged in users canattempt or see the solution.
