Question

If a is a square matrix of order 4 and |2A| = k|A|, then find the value of k

Answer 1

Answer:

k= 16

Step-by-step explanation:

|2A|=k to the power n where n= order of the square matrix × |A|.

or |2A|=2 to the power 4× |A|

Therefore, k=16.