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 `0` b. `1` c. `2` d. `-3`

If [2-1 1 0-3 4]A=[-1-8-10 1-2-5 9 22 15] , find Adot

If A = [(1,1,1),(0,1,1),(0,0,1)] and M = A + A^(2) + A^(3) + . . . . + A^(20) then the sum of all the elements of the matrix M is equal to _____

A=[(1,1,1),(0,1,1),(0,0,1)] , then sum of all elements in A+A^2+A^3+ . . . + A^(26) is

A is a 2xx2 matrix such that A[[1-1]]=[[-12]] and A^(2)[[1-1]]=[[10]] The sum of the elements of A is -1 b.0 c.2 d.5

Let A=[(2,0,7),(0,1,0),(1,-2,1)] and B=[(-k,14k,7k),(0,1,0),(k,-4k,-2k)] . If AB=I , where I is an identity matrix of order 3, then the sum of all elements of matrix B is equal to

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

If A=[(2, 0,-3),( 4, 3, 1),(-5, 7, 2)] is expressed as the sum of a symmetric and skew-symmetric matrix, then the symmetric matrix is (a) [(2, 2,-4 ),(2, 3, 4),(-4, 4, 2)] (b) [(2, 4,-5),( 0, 3, 7),(-3, 1, 2)] (c) [(4, 4,-8),( 4, 6, 8),(-8, 8, 4)] (d) [(1, 0 ,0 ),(0 ,1 ,0),( 0, 0, 1)]