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# If A is a symmetric matrix, then $A^3$ is a _________ matrix.

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• A square matrix A=[a$_{ij}$] is said to be symmetric if A'=A that is $[a_{ij}]=[a_{ji}]$ for all possible value of i and j.
If A is a symmetric matrix then $A^3$ is a symmetric matrix.
answered Mar 15, 2013

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