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Mathematics 13 Online
OpenStudy (anonymous):

if A and B are symmetric matrices then,ABA is 1.symmetric 2.skew-symmetric 3.diagonal 4.scalar.

OpenStudy (anonymous):

can anyone help me yet?

OpenStudy (kira_yamato):

Symmetric, A=A ' and B=B ' (ABA) '=(BA) ' (A) '=A 'B ' A '=ABA now since (ABA) '=ABA; hence ABA is a symmetric matrix

OpenStudy (anonymous):

okay..thx.hope its right! coz i dooono the adjact answer.

OpenStudy (anonymous):

That's right.

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