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Find minor or element 5 in the determina...

Find minor or element 5 in the determinant `Delta=|{:(2,4,3),(1,5,2),(-1,4,1):}|`

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`Delta=|{:(2,4,3),(1,5,2),(-1,4,1):}|`
'5' is in `2^("nd")` row and `2^("nd")` column
`:." "M_(22)=|{:(2,3),(-1,1):}|=2-(-3)=5`
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