Question

Find the value of the determinant
| 3 2 |
| 4 5 ​

Answer 1

Answer:

7

Step-by-step explanation:

= 3×5-2×4

= 15-8

= 7

Answer 2

Determinant |a b| = (a×d) - (c×d)

|c d|

= |3 2| = 3×5 - 4×2

|4 5|

= 15-8 = 7