If A is a matrix of order 2 and |A| = 6 , then the value of \(|3 { A }^{ T } |\) is
Answer & explanation
Correct answer: option 1
$|3A^T|=3^2|A^T|$
$⇒3^2|A|$
$=3^2×6$
$=9×6=54$
If A is a matrix of order 2 and |A| = 6 , then the value of \(|3 { A }^{ T } |\) is
Correct answer: option 1
$|3A^T|=3^2|A^T|$
$⇒3^2|A|$
$=3^2×6$
$=9×6=54$