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Evalute the determinat Delta=|{:(1,3,-1)...

Evalute the determinat `Delta=|{:(1,3,-1),(0,1,2),(1,2,3):}|=1`

Text Solution

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Expanding along `C_(1)`
`|{:(1,2),(2,3):}|-0|{:(3,-1),(2,3):}|+1|{:(3,-1),(1,2):}|`
`=3-4-06+`
`=6`
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