. If A is a square matrix of order 3 and
|A|= 4 find the value of |2A| .
As per the question statement, order of the square matrix A is 3 and |A| = 4.
To find the value of |2A|, take the cube of 2.
|2A| = (2) 3×|A|
Now, substituting ,
|2A| = 8 × 4
Hence, the value of |2A| is 32.