Question

Find the value of the following determinant.
A=5 3
7 9​

Answer 1

Answer:

24

Step-by-step explanation:

$= (5) \times (9) - (7) \times (3) \\ = 24 \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \:$