Question

what is the value of determinant [5/1 -4/2]



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Answer 1

5. - 4

1. 2

5x2. - 4x2

1x2. 2x1

10. - 8

2. 2

- 8

2

Answer 2

Step-by-step explanation:

$[ \frac{5}{1} - \frac{4}{2} ]$

$[ \frac{5}{1} - \frac{ \cancel4}{ \cancel2} ]$

$[ \frac{5}{1} - \frac{2}{1} ]$

$[ \frac{5 - 2}{1} ]$

$[ \frac{3}{1} ]$

$3$

I hope it is helpful