|[1, 1, 1], [1, 1+x, 1], [1, 1, 1+y]|=?...

`|[1, 1, 1], [1, 1+x, 1], [1, 1, 1+y]|=?`

|[1, 1, 1], [1, 1+x, 1], [1, 1, 1+y]|=?
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(x + 1) / (y) = 1, (x) / (y + 1) = (1) / (2)
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Prove that: tan^(-1)((1-x)/(1+x))-tan^(-1)((1-y)/(1+y))=sin^(-1)((y-x...
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17.If x>1,y>1,z>1 are in G.P.then (1)/(1+ln x),(1)/(1+ln y),(1)/(1+ln ...
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If xyz=1 then show that (1+x+y^(-1))^(-1)+(1+y+z^(-1))^(-1)+(1+z+x^(-1...
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1/(1+x+y^(- 1))+1/(1+y+z^(- 1))+1/(1+z+x^(- 1))
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y: (1) / (x + 1) + (1) / (y + 1) = 10; (1) / (x + 1) - (1) / (y + 1) =...
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(x/y)^(-1)=(x)^(-1)/(y)^(-1)
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(x^(-1)-y^(-1))/(z)+(y^(-1)-z^(-1))/(x)+(z^(-1)-x^(-1))/(y)=
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