Find (:A,B:), ||A||, ||B||, and d(A,B) for the matrices in M_(2,2) using the inner product (:A,B:)=2a_(11)b_(11)+a_(21)b_(21)+a_(12)b_(12)+2a_(22)b_(22) A=[[4,2],[1,-1]], B=[[-2,1],[0,0]]



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