Birational Transformation

See also

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More things to try:

• 1->2, 2->3, 3->1, 3->4, 4->1
• domain of f(x,y) = log(1-(x^2+y^2))
• integrate sqrt( (1+x^2)/(1+x^4) ) dx, x=0..1

Cite this as:

Weisstein, Eric W. "Birational Transformation." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/BirationalTransformation.html

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