[math-fun] What is Mathematica thinking, Part LXVIII

2 (1 - 2 x) 1 -------------------- + ------------------- 3/2 Sqrt[-((-1 + x) x)] 4 (-((-1 + x) x)) Out[N]= ------------------------------------------ 2 (1 - 2 x) 3/2 (1 - ------------) 4 (-1 + x) x In[N+1]:= FullSimplify[%] 1 Out[N+1]= 2 Sqrt[-((-1 + x) x)] Sqrt[------] 2 x - x In[N+2]:= Simplify[%] 1 Out[N+2]= 2 Sqrt[-((-1 + x) x)] Sqrt[------] 2 x - x In[N+3]:= Expand[%] 1 Out[N+3]= 2 Sqrt[-((-1 + x) x)] Sqrt[------] 2 x - x --------------------------------------------- Okay, why does it not say 1 here? —Dan