(c) If `A=[[1+i,1-i],[1-i,1+i]]` then find `|A|`

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" = [{:(1, 2), (1, 3):}] , then find A^(-1) + A . (a) I (b) 2I (c) 3I (d) 4I

1+i,1-i,i1-i,i,1+ii,1+i,1-i]|=

Find the value of | [ 2 + i , 2 - i ] , [ 1 + i , 1 - i ] | is

If ((1+i)/(1-i))^(2) - ((1-i)/(1+i))^(2) = x + iy then find (x,y).

If A={:[(1+i,-i),(i,1+i)]:}," where "i=sqrt(-1)," and "A^(2)-2A+I=0," then ":A^(-1)=

If sum_(i=1)^(2n)sin^(-1)x_(i)=n pi then find the value of sum_(i=1)^(2n)x_(i)

If A=[(1+2i,i),(-I,1-2i)] , where i=sqrt(-1) , then A(adjA)= . . .

If P=[(i,0,-i),(0,-i,i),(-i,i,0)] and Q=[(-i,i),(0,0),(i,-i)] then PQ is equal to (A) [(-2,2),(1,-1),(1,-1)] (B) [(2,-2),(-1,-1),(-1,1)] (C) [(2,2),(-1,1)] (D) [(1,0,0),(0,1,0),(0,0,1)]

All the values of root(4)(1) is A) 1,-1, i, -i B) 1, -1, 2i, -2i C) 2, -2 , i, -i D) None