- #1
Albert1
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$x,y\in R$, satisfying $(x-\sqrt{x^2-2011})(y-\sqrt{y^2-2011})=2011$
find $2012x^2-2010y^2+2011x-2011y-2011=?$
find $2012x^2-2010y^2+2011x-2011y-2011=?$
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