Question

write the value of the determinant

Answer 1

(3×1)-(2×-1)
3-(-2)
3+2
5
D) 5

Answer 2

D. 5

Explanation :


$= (3 \times 1) - (2 \times ( - 1)) \\ = 3 - ( - 2) \\ = 3 + 2 \\ = 5$