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Home  >>  CBSE XII  >>  Math  >>  Determinants

If A is a matrix of order $3\times 3$,then number of minors in determinant of A are____________.

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  • If A is a matrix of order $n\times n$,then the number of minors of determinant of A are $n\times n=n^2$.
If A is a matrix of order $3\times 3$,then the number of minors of determinant of A are 9.
$3\times 3=9$
answered Mar 27, 2013 by sreemathi.v
 

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