If |(x^(n),x^(n+2),x^(n+3)),(y^(n),y^(n+...

If `|(x^(n),x^(n+2),x^(n+3)),(y^(n),y^(n+2),y^(n+3)),(z^(n),z^(n+2),z^(n+3))|=(x-y)(y-z)(z-x)(1/x+1/y+1/z)` then value of n is

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-2

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If |(a,b,a alpha+b),(b,c, b alpha+c),(a alpha+b, b alpha+c,0)|=0 then
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