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[" 58.Let "A=([0,0,-1],[0,-1,0],[-1,0,0]...

[" 58.Let "A=([0,0,-1],[0,-1,0],[-1,0,0])," the only correct statement "],[" about the matrix "A" is "],[" (a) "A^(2)=7],[" (b) "A=(-1)I" ,where "/" is a unit matrix "],[" (c) "A" - does not exist "],[" (d) Ais a zero matrix "],[" 59.A person is to count "4500" currency notes.Let "]

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