Newton Binomial.

[lvl107]

   Hello, Everyone.

         1_ Is there a reason for "Illegal Assume constraint" ?

         2_ Is there an other way to assume for obtaining : P(a,b,n) ==> 0 ?

    Thanks in advance for your time and help ?

        Regards.

[VladimirN]

Try writing the following:

[lvl107]

  Many thanks for your time and help, VladimirN.

  And I have an other query :

        Regards.