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[" Q25.If "A" is an orthogonal matrix of...

[" Q25.If "A" is an orthogonal matrix of order "3" and "B=[[1,2,3],[-3,0,2],[2,5,0]]" ,then which of the following is/are "],[" correct? "],[" 1."|AB|=+-47],[" 2."AB=BA]

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