Question

$A$ is a matrix of 3 rows and 2 columns and $B$ is a matrix of 2 row and 3 columns. $AB=C$ and $BA=D$

• A. determinants of $C$ and $D$ are always equal
• B. determinant of $C$ is zero
• C. determinant of $D$ is zero
• D. None of these

Answer 1

Answer: (B)

Correct answer is (b) determinant of $C$ is zero