y x -------- + -------- 2 2 x*y - x x*y - y ------------------- / 2 2\ |x + 2*x*y + y | |---------------| | 1 1 | | - + - | \ x y /
(y/(x*y - x^2) + x/(x*y - y^2))/(((x^2 + (2*x)*y + y^2)/(1/x + 1/y)))
(1/x + 1/y)*(x/(-y^2 + x*y) + y/(-x^2 + x*y))/(x^2 + y^2 + 2.0*x*y)
(1/x + 1/y)*(x/(-y^2 + x*y) + y/(-x^2 + x*y))/(x^2 + y^2 + 2.0*x*y)
/ / 2 \ / 2 \\ (x + y)*\x*\- x + x*y/ + y*\- y + x*y// ----------------------------------------------- / 2 \ / 2 \ / 2 2 \ x*y*\- x + x*y/*\- y + x*y/*\x + y + 2*x*y/
(x + y)*(x*(-x^2 + x*y) + y*(-y^2 + x*y))/(x*y*(-x^2 + x*y)*(-y^2 + x*y)*(x^2 + y^2 + 2*x*y))
/1 1\ / x y \ |- + -|*|---------- + ----------| \x y/ | 2 2 | \- y + x*y - x + x*y/ --------------------------------- 2 2 x + y + 2*x*y
(1/x + 1/y)*(x/(-y^2 + x*y) + y/(-x^2 + x*y))/(x^2 + y^2 + 2*x*y)
/1 1\ / x y \ |- + -|*|---------- + ----------| \x y/ | 2 2 | \- y + x*y - x + x*y/ --------------------------------- 2 2 x + y + 2*x*y
(1/x + 1/y)*(x/(-y^2 + x*y) + y/(-x^2 + x*y))/(x^2 + y^2 + 2*x*y)
/1 1\ / x y \ |- + -|*|---------- + ----------| \x y/ | 2 2 | \- y + x*y - x + x*y/ --------------------------------- 2 2 x + y + 2*x*y
(1/x + 1/y)*(x/(-y^2 + x*y) + y/(-x^2 + x*y))/(x^2 + y^2 + 2*x*y)
/ 2 2 \ (x + y)*\x *(y - x) + y *(x - y)/ ---------------------------------------- 2 2 / 2 \ x *y *(x - y)*(y - x)*\y + x*(x + 2*y)/
(x + y)*(x^2*(y - x) + y^2*(x - y))/(x^2*y^2*(x - y)*(y - x)*(y^2 + x*(x + 2*y)))