Question

If A is a 2 x 3 matrix such that |A| = 8 , then |3A| equals? ​

Answer 1

Answer:

216

Step-by-step explanation:

Given ∣A∣=8

we know that

∣kA∣=k

n

∣A∣ where n is the order of A

∴∣3A∣=3

3

∣A∣=3×8=27×8 [∵A is 3×3 matrix ]

=216