Compute the following: ` [[2,-1],[3,5]] +[[4,3],[1,-2]]`

Compute the following: [[0,1,5],[-3,2,1]]+[[6,2,-3],[-1,4,2]]

Compute the following: [[2,3,1],[5,-1,2],[0,3,5]]+[[1,-2,3],[-3,1,5],[6,2,0]]

Compute the following sums: [[3,-21,4]]+[[-2,41,3]]

Compute the following: [[-1,4,-6],[8,5,16],[2,8,5]]+[[12,7,6],[8,0,5],[3,2,4]]

Evaluate the following : {[[1,3],[-1,-4]]+[[3,-2],[-1,1]]}[[1,3,5],[2,4,6]]

Evaluate the following : [[1,4,2],[5,-2,3]][[2,-4],[1,-3],[4, 0]]

Compute each of the following: 1+(-2)+(-3)+(-4)

Compute A^(-1) for the following matrix A=[(-1,2,5),(2,-3,1),(-1,1,1)] . Hence solve the system of equations -x+2y+5z=2, 2x-3y+z=15 & -x+y+z= -3

Compute the following (i) 2xx6!-3xx5! (ii) 3xx4!+7xx4!

Compute the adjoint of each of the following matrices: [[1, 2, 2],[ 2 ,1 ,2],[ 2, 2, 1]] (ii) [[1, 2, 5],[ 2, 3,1],[-1, 1, 1]] (iii) [[2,-1, 3],[ 4, 2, 5],[ 0, 4,-1]] (iv) [[2, 0,-1],[ 5, 1, 0],[ 1, 1, 3]] Verify that (a d j\ A)A=|A|I=A(a d j\ A) for the above matrices.