If `A=[[1,2],[4,2]]`, ,then find `|A^(-1)|`.

If A=[[1,2],[4,2]] , find the value of |A^(-1)|

If A=[[1,1,2],[2,1,3],[5,4,9]] then find |A|

If A=[[1,-2,3],[0,-1,4],[-2,2,1]] , then find (A')^(-1)

If A=[[1,-2,3],[0,-1,4],[-2,2,1]], then find |A| .

If A=[{:(1,2),(4,1):}] , then find A^(2)+2A+7I .

" (a) If "A=[[1,1,2],[2,1,3],[5,4,9]]" then find "|A|

If A=[[7,-2],[-1,2],[5,3]] and B=[[-2,-1],[4,2],[-1,0]] then find AB^(T) and BA^(T)

If A=[[2,-3,5],[3,2,-4],[1,1,-2]], find A^(-1). Using A^(-1) solve the following system of equations: 2x-3y+5z=16;3x+2y-4z=-4;x+y-2z=-3

If A=[(2,-1),(3,4)] find |(A^(-1))^(-1)|

If A=[1 2 3-1] and =[1-4 3-2] , find |A B| .