数学试题讲解

行列式

| \begin{array}{llll} 0 & a & b & 0 \\ a & 0 & 0 & b \\ 0 & c & d & 0 \\ c & 0 & 0 & d \end{array} | =

(a d - b c)^{2}

. B.

- (a d - b c)^{2}

. C.

a^{2} d^{2} - b^{2} c^{2}

. D.

b^{2} c^{2} - a^{2} d^{2}