?Prove that \((a \times b) \cdot(c \times d)=\left
Chapter 12, Problem 52(choose chapter or problem)
Prove that
\((a \times b) \cdot(c \times d)=\left|\begin{array}{ll} a \cdot c & b \cdot c \\ a \cdot d & b \cdot d \end{array}\right| \)
Equation Transcription:
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Text Transcription:
(a times b)(c times d)=|a times d b times d a times c b times c|
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