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Evaluate the following determinants: [...

Evaluate the following determinants:
`[[1,1,1],[2,3,4],[3,4,6]]`

Text Solution

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`[[1,1,1],[2,3,4],[3,4,6]]=[[1,0,0],[2,-1,-1],[3,-1,-2]]`
=`[[0,0,1],[-1,-1,4],[-1,-2,6]]`
=2-1=1
`(C_1=C_1-C_2,C_2=C_2-C_3)`
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