[" 15.If "[[9,-1,4],[-2,1,3]]=A+[[1,2,-1],[0,4,9]]" ,then find "],[" the matrix "A]

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

If [{:(9, -1, 4),(-2, 1, 3):}] = A + [{:( 1,2,-1),(0,4,9):}], then the matrix A is :

If [9-1 4-2 1 3]=A+[1 2-1 0 4 9] , then find matrix Adot

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

If [{:(9,-1,4),(-2,1,3),(1,2,-1):}]=A+[{:(1,2,-1),(0,4,9),(3,1,-2):}] , then find the matrix A .

If A=[[1,2,-3],[-3,7,-8],[0,-6,1]],B=[[9,-1,2],[-4,2,5],[4,0,-3] ,then find the matrix C such that A+B+C is a zero matrix

If A = [[1,1],[1,2]] , B = [[4,1],[3,1]] and C = [[24,7],[31,9]] then find the matrix X , such that AXB = C .

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

If A=[[1, 1,-2],[ 2, 1,-3],[ 5, 4,-9]] . Find |A| .

If [[2,-1],[1,0],[-3,4]]A=[[-1,-8,-10],[1,-2,-5],[9,22,15]] , then sum of all the elements of matrix A is