If A is a matrix of order 2 and |A| = 24 , then the value of \(|-2 { A }^{ T } |\) is
Answer & explanation
Correct answer: option 4
$|-2A^T|=(-2)^2|A^T|=(-2)^2(|A|)$
$=4×24$
$=96$
If A is a matrix of order 2 and |A| = 24 , then the value of \(|-2 { A }^{ T } |\) is
Correct answer: option 4
$|-2A^T|=(-2)^2|A^T|=(-2)^2(|A|)$
$=4×24$
$=96$