If `A=[[2,-4],[1,-2]],` then `A^(2)` is

If A=[[0,1,3],[1,2,x],[2,3,1]] and A^(-1)=[[(1)/(2),-4,(5)/(2)],[-(1)/(2),3,-(3)/(2)],[(1)/(2),y,(1)/(2)]] . Find x,y

If A=[(3,2,-1),(4,-1,2),(0,1,2)] then adj (adjA) is

If A=[[2,-1],[4,2]],B=[[4,3],[-2,1]],C=[[-2,-3],[-1,2]] , compute the following: -2A+(B+C)

If A=[[2,-1],[4,2]],B=[[4,3],[-2,1]],C=[[-2,-3],[-1,2]] , compute the following: A+(2B-C)

If A=[[2,-1],[4,2]],B=[[4,3],[-2,1]],C=[[-2,-3],[-1,2]] , comopute the following: A+(B+C)

If A=[[2,-1],[4,2]],B=[[4,3],[-2,1]],C=[[-2,-3],[-1,2]] , compute the following: (A+B)+C

If A=[[2,3,1] , [1,3,2] , [1,2,3]], B=[[4,1,2] , [2,4,1] , [1,4,2]] verify that (A+B)^T=A^T+B^T

The lower triangular matrix of matrix [(3,-1,2),(4,-1,2),(5,2,1)] is

The co-ordinates of the four vertices of quadrilateral are (-2,4),(-1,2),(1,2) and (2,4), taken in order.The equation of the line through the vertex (-1,2) and dividing the quadrilateral in two equal parts is: