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Just Math
Just prove it (
Posted on 20131020
)
Prove that:
If
(x+sqrt{1+y^2})*(y+sqrt{1+x^2})=1
,
then
x+y=0
.
No Solution Yet
Submitted by
Ady TZIDON
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)
Small hint , no spoiler
 Comment 3 of 4 
Rewrite the equation in the form
y*sqrt{1+y^2}+x*sqrt{1+x^2}=
1xysqrt{1+x^2}*sqrt{1+y^2}
Square both sides, organize & square again
Posted by
Ady TZIDON
on 20131024 17:26:40
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