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x-and-y-are-elements-from-R-wich-verify-x-x-2-1-y-y-2-1-1-find-x-y-




Question Number 29508 by abdo imad last updated on 09/Feb/18
x and y are elements from R wich verify  (x+(√(x^2 +1)))(y +(√(y^2 +1)))= 1  find x+y .
xandyareelementsfromRwichverify(x+x2+1)(y+y2+1)=1findx+y.

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