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"If "B" is adjoint of matrix "A" and "B^...

`"If "B" is adjoint of matrix "A" and "B^(TT)B^(-1)=A" then "(" where "B" is non singular matrix)" `
`(a) "B" ` is symmetric matrix
`(b) det."(B)=1`
` (c) "A"` is skew symmetric matrix
` (d) "adj.B=A`

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