[A=(1)/(sqrt(3))[[1,1+q],[1-i,-1]]" ,then "A" is "],[[" Nilpotent "],[" ounitary "],[" (involutory "],[" o ldempotent "]]

[" 64.Let "A=[[0,-sqrt((2)/(3)),(1)/(sqrt(3))],[(1)/(sqrt(2)),-(1)/(sqrt(6)),-(1)/(sqrt(3))],[(1)/(sqrt(2)),(1)/(sqrt(6)),(1)/(sqrt(3))]]" ,then which one of "],[" the following is correct? "],[" (1) "A" is an involutory matrix "],[" (2) "A" is an idempotent matrix "],[" (3) "A" is an orthogonal matrix "],[" (4) "A" is a singular matrix "]

A = [(1,2,3),(1,2,3),(-1,-2,-3)] then A is a nilpotent matrix of index

A = [(1,2,3),(1,2,3),(-1,-2,-3)] then A is a nilpotent matrix of index a)3 b)2 c)4 d)5

If A = 1/ sqrt(3) [[1,1+i],[1-i,1]] then A(bar(A)^T) equals : a. O b. I c. -I d. 2I

If A=[[2,-2,-4],[-1,3,4],[1,-2,-3]] then A is 1) an idempotent matrix 2) nilpotent matrix 3) involutary 4) orthogonal matrix

If A=[[2,-2,-4],[-1,3,4],[1,-2,-3]] then A is 1) an idempotent matrix 2) nilpotent matrix 3) involutary 4) orthogonal matrix

If A=[[2,-2,-4],[-1,3,4],[1,-2,-3]] then A is 1) an idempotent matrix 2) nilpotent matrix 3) involutary 4) orthogonal matrix

If A=[[2,-2,-4],[-1,3,4],[1,-2,-3]] then A is 1) an idempotent matrix 2) nilpotent matrix 3) involutary 4) orthogonal matrix

If A=[[2,-2,-4],[-1,3,4],[1,-2,-3]] then A is 1) an idempotent matrix 2) nilpotent matrix 3) involutary 4) orthogonal matrix

If A=[[2,-2,-4],[-1,3,4],[1,-2,-3]] then A is 1) an idempotent matrix 2) nilpotent matrix 3) involutary 4) orthogonal matrix