Which of the following matrice is invertible?
`[[-1,-2,3],[2,1,-4],[-1,0,2]]`

Explanation

Let A=`[[-1,-2,3],[2,1,-4],[-1,0,2]]`
`therefore absA =[[-1,-2,3],[2,1,-4],[-1,0,2]]`
=`-1[[1,-4],[0,2]]+2[[2,-4],[-1,2]]+3[[2,1],[-1,0]]`
=-(2-0)+(4-4)+3(0+1)
=2+0+3=`1 ne 0`
`therefore` A is invertible.