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If A=[[1,2,0],[0,1,3],[-2,5,3]],"then verify that"A=[[1,2,0],[0,1,3],[-2,5,3]]impliesA'=[[1,0,-2],[2,1,5],[0,3,3]]A+A' is symmetric

Answer»

<P>

SOLUTION :Now P=A+A`=[[2,2,-2],[2,2,8],[-2,8,6]]`
`[[2,2,-2],[2,2,8],[-2,8,6]]`
`[[2,2,-2],[2,2,8],[-2,8,6]]=P`
`:.`A+A. is SYMMETRIC.


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