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

If A is a 2times2 matrix such that [[2,1],[3,2]] A [[-3,2],[5,-3]]=[[1,0],[0,1]] then the sum of the elements in A is

Find a 2xx2 matrix B such that [[5,4],[1,1]] B=[[1,-2],[1,3]]

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 A is a square matrix of order 2 such that A[(,1),(,-1)]=[(,-1),(,2)] and A^(2)[(,1),(,-1)]=[(,1),(,0)] the sum of elements and product of elements of A are S and P, S + P is

If A is 2xx2 matrix such that A[{:(" "1),(-1):}]=[{:(-1),(2):}]and A^2[{:(" "1),(-1):}]=[{:(1),(0):}] , then trace of A is (where the trace of the matrix is the sum of all principal diagonal elements of the matrix )

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

Let A d+2B=[1 2 0 6-3 3-5 3 1]a n d2A-B=[2-1 5 0-1 6 0 1 2] . Then T r(B) has the value equal to 0 b. 1 c. 2 d. none

Let A=[(1,0,0),(2,1,0),(3,2,1)], if U_1, U_2 and U_3 are column matrices satisfying AU_1 =[(1),(0),(0)], AU_2=[(2),(3),(0)] and AU_3=[(2),(3),(1)] and U is a 3xx3 matrix when columns are U_1,U_2,U_3 now answer the following question: The sum of elements of U^-1 is: (A) -1 (B) 0 (C) 1 (D) 3