Suppose the matrix equation A X=B represents the system [ a₁x + a₂y = b₁ a₃x+a₄y = b₂ ]. and A=0 . Show that the system is either dependent (has many solutions) or inconsistent (has no solutions). (Hint: First show that a₃ and a₄ are proportional to a₁ and (a₂). )