--------------------------Trivia #138---------------------
Let [x + sqrt(1 + x^2)][y + sqrt(1 + y^2)] = 1, prove that [x + sqrt(1 + y^2)][y + sqrt(1 + x^2)] = 1.
----------------------2/04/2014------------------------
from Math Trivia on Facebook
Let [x + sqrt(1 + x^2)][y + sqrt(1 + y^2)] = 1, prove that [x + sqrt(1 + y^2)][y + sqrt(1 + x^2)] = 1.
----------------------2/04/2014------------------------
from Math Trivia on Facebook
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