if A and B are symmetric matrices, then ABA is

a-symmetric

b-skew-symmetric

c-diagonal

d-scalar

it is symmetric matrix as (ABA)' = (A)'(AB)' = AB'A =ABA

hence it is symmetric matrix.

if A and B are symmetric matrices, then ABA is

a-symmetric

b-skew-symmetric

c-diagonal

d-scalar

it is symmetric matrix as (ABA)' = (A)'(AB)' = AB'A =ABA

hence it is symmetric matrix.

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