The vectors (x1, y1) and (x2, y2) of V2 (F) are linearly

The vectors (x₁, y₁) and (x₂, y₂) of V₂ (F) are linearly dependent if x₁y₂-x₂y₁=
(a) x₁y₁
(b) x₂y₂
(c) 0
(d) 1