Let `A = [[1,0,0],[0,1,1],[1,1,1]]` and `B=A^20.` Then the sum of the elements of the first column of `B ` is :

Let A=[(1,0,0),(1,1,0),(1,1,1)] and B=A^20 . Then the sum of the elements of the first column of B is

If A=[[1,0,0],[0,1,0],[a,b,-1]] and A=A^(-1) then a+b=?

If A=[[1,1],[0,1]],B=[[0,1],[1,0]] then AB=

Let matrix A = [[1,0,0],[25,1,0],[25,0,1]] and a matrix B of third order with its columns as B_1 , B_2 , B_3 be such that AB_1 = [[1],[25],[25]] , AB_2 = [[0],[1],[0]] , and AB_3 = [[0],[0],[1]] . Find det(adj B) .

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

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

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 _____

Let A=[[2,1,3],[4,1,0]] and B=[[1,-1],[0,2],[5,0]] Find AB

If A=[(3,-1),(2,0)] and B=[(2,-5),(3,1)] then sum of diagonal elements of (A+B) is