Find the trace of `[(1,3,-5),(2,-1,5),(2,0,1)]`

Find the trace of [{:(1,3,-5),(2,-1,5),(1,0,1):}]

Find the trace of A if A=[(1,2,-1/2),(0,-1,2),(-1/2,2,1)] .

Find the trace of A, if A = [(1,2,-1//2),(0,-1, 2),(-1//2,2,1)]

Find the trace of A if A=[[1,2,-(1)/(2)],[0,-1,2],[-(1)/(2),2,1]]

Arrange the following matrices in ascending order of value of their trace. (A) [(1,0,0),(0,1,0),(0,0,1)] (B) [(2,3,1),(1,-1,2),(3,0,1)] (C ) [(3,4),(1,5)] (D) [(-2,1),(3,8)]

Find |A|: A = {:[(1,-2,2),(2,3,5),(-2,0,1)]

Find the cofactors of 2 and -5 in the matrix [{:(-1,0,5),(1,2,-2),(-4,-5,3):}]

Find the rank of matrix A= [[1,2,-1,0],[0,1,3,1],[2,5,1,2]]

Let A + 2B = [(1,2,0),(6,-3,3),(-5,3,1)] and 2A - B = [(2,-1,5),(2,-1,6),(0,1,2)] then find tr (A) - tr (B).