Question

Determinate
of
Matrix
3 4 7
2 1 3
-5 -1 2​

Answer 1

Step-by-step explanation:

2

$3(2 + 3) - 4(4 + 15) + 7( - 2 + 15)$

Answer 2

Answer:

the det is -40

Step-by-step explanation:

3(2+3)-4(4+10)+7(-2+5)=3(5)-4(19)+7(3)

=-40