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Questions  >>  JEEMAIN and NEET  >>  Mathematics  >>  Class12  >>  Matrices
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Q)

Let A=[1234] and B=[a00b]a,bN.Then

(a)TherecannotexistanyBsuchthatAB=BA(b)ThereexistmorethanonebutfinitenumberofBssuchthatAB=BA(c)ThereexistsexactlyoneBsuchthatAB=BA(d)ThereexistinfinitelymanyBssuchthatAB=BA

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