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Evalute the determinants in queations 1 ...

Evalute the determinants in queations 1 and 2 :
`[{:(2,4),(-5,-1):}]`

Text Solution

Verified by Experts

Let `A=[{:(2,4),(-5,-1):}]`
`rArr" "|A|=[{:(2,4),(-5,-1):}]=-2-(-20)=2=18`
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