If `A=[(2,1,2),(1,0,1),(2,2,1)]`,then prove that `A^(-1)=[(-2,3,1),(1,-2,0),(2,-2,-1)]`

If A=[[1,1,1],[1,2,1],[1,1,2]] ,then prove that A^(-1)=[[3,-1,-1],[-1,1,0],[-1,0,1]]

If A={:[(2,2,1),(1,0,2),(2,1,2)]:}," then "A^(-1)=

If A=[(0,1,2),(1,2,3),(3,a,1)] and A^(-1)=[(1//2,-1//2,1//2),(-4,3,c),(5//2,-3//2,1//2)] , then the values of a and c are equal to

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

If A[(2,0,3),(1,-1,2),(3,-2,0)] , then (adj A)A=

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

If A=[(1,0),(1,1)], B=[(2,0),(1,1)] and C=[(-1,2),(3,1)], show that

If A={:[(1,2,0),(-1,0,1),(1,2,1)]:},B={:[(1,2),(2,1),(-1,1)]:}andC={:[(1,0,0,1),(1,2,1,2)]:} Find A(BC), (AB)C and prove that A(BC)=(AB)C.