If x,y,z are all positive and are the pt...

If x,y,z are all positive and are the pth, qth and rth terms of a geometric progresion respectively, then the value of the determinant `|(logx,p,1),(logy,q,1),(logz,r,1)|=`

`logxyz`

`(p-1)(q-1)(r-1)`

`pqr`

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