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

Let A=[[4,2],[-1,1]] .Then (A-2I)(A-3I) is equal to

If a=1+i, then a^(2) equals 1-i b.2i .(1+i)(1-i) d.(i-1)

If A=[{:(i,-i),(-i, i):}] and B=[{:(1,-1),(-1,1):}] , then A^(4) equals to-

If A=[i-i-i i]a n dB=[1-1-1 1],t h e nA^8 equals 4B b. 128 B c. -128 B d. -64 B

If z=((1+i)/(1-i)), then z^(4) equals a.1b.-1c0d non of these

(1+2i+3i^(2))/(1-2i+3i^(2)) equals i b.-i c.-1 d.4

If A=[[i,-i],[-i, i ]] and B=[[1,-1],[-1,1]] ,then A^( 8 ) equals,(where i=sqrt(-1) ) 4B 128 B -128 B -64 B