From: drhuang57@gmail.com   
      
   On Saturday, 7 October 2023 at 11:24:31 UTC+11, Nasser M. Abbasi wrote:   
   > > where is your list of problems? does it include any order differrential   
   eq? e.g. complex order. May I suggest you test with MathHandbook as well? it   
   can solve some problems that other cannot solve, e.g.   
   > > Internal problem ID [119]   
   > >   
   > The 11,000 problems now are just listed on the pages you see. I do not   
   > have them listed in separate plain text in one file. They are in an   
   > internal database. One day, I will make a list in plain text file   
   > to download.   
   If you can publish your list in separate plain text, I can test more, as 1012    
   problems of Differential Equations were tested with WolframAlpha and   
   MathHandbook.com online.   
   http://DrHuang.com/index/tests/   
   https://server.DrHuang.com/index/tests/   
      
      
   > Problem ID [119] is   
   >   
   > Book: Differential equations and linear algebra, 3rd ed., Edwards and Penney   
   > Section: Section 1.6, Substitution methods and exact equations. Page 74   
   >   
   > 2*x/y(x)-3*y(x)^2/x^4+(-x^2/y(x)^2+1/y(x)^(1/2)+2*y(x)/x^3)*diff(y(x),x) = 0   
   >   
   > This is solved by Maple. But Mathematica did not solve it for some reason.   
   >   
   > DSolve[2*x/y[x]-3*y[x]^2/x^4+(-x^2/y[x]^2+1/y[x]^(1/2)+2*y[x]/   
   ^3)*y'[x]==0,y[x],x]   
   >   
   >   
   > > ------------------------------------   
   > > MathHandbook.com   
   >   
   > --Nasser   
      
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