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[" 2.If "A=[[i,0],[0,i]]" ,where "i=sqrt...

[" 2.If "A=[[i,0],[0,i]]" ,where "i=sqrt(-1)" and "x in N," then "A^(4x)" equals - "],[[" (A) "[[0,i],[i,0]]," (B) "[[0,0],[0,0]]," (C) "[[1,0],[0,1]]," (D) "[[i,0],[0,i]]]]

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