36. If \( (a, b),(c, d) \) and \( (e, f) \) are the vertices of \( \triangle A B C \) and \( \triangle \) denotes the area of \( \triangle A B C \), the \( \left|\begin{array}{lll}a & c & e \\ b & d & f \\ 1 & 1 & 1\end{array}\right|^{2} \) is equal to
(a) \( 2 \Delta^{2} \)
(b) \( 4 \Delta^{2} \)
(c) \( 2 \Delta \)
(d) \( 4 \Delta \)
(CBSE 201)
