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The value of the determinant |(nC(r-1),n...

The value of the determinant `|(nC_(r-1),nC_r,(r+1),n+2C_(r+1)),(nC_r,nC_(r+1),(r+2),n+2C_(r+2)),(nC_(r+1),nC_(r+2),(r+3),n+2C_(r+3))|` is

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