Question

if A is a square matrix of order 2 then det (-3A) ​

Answer 1

Answer:

it is the answer

Answer 2

Answer:

We know that: If A is a square matrix of order n and its determinant is ∣A∣

Then for any scaler k, ∣kA∣=k

n

∣A∣

Here n is 3, so ∣3A∣=3

3

∣A∣=27∣A∣