Let A=[[4,-2,0],[5,3,2],[-1,1,0]] be an invertible matrix. What is the first column of A^(-1) ?
[[0],[0],[1]]
[[0],[0],[(1)/(2)]]
[[(1)/(4)],[0],[0]]
[[(1)/(2)],[(1)/(2)],[-2]]
-2 0 5 3 2 be an invertible matrix What is the first column of A- -1 1
LetA=
[1/2] 0[1/4]
[1/2