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Evaluate the sum of reciprocals of double factorial of even nonnegative integers.
(No Solution Yet, 0 Comments) Submitted on 2018-06-22 by Ady TZIDON    

x^3 + y^3 + z^3 = w^3.

The smallest set of positive integers x,y,z,w qualifying as a solution of the bolded equation above is: 3,4,5,6

a.Find some other sets of distinct integers, not necessarily positive.
b. Provide some comments on "The sum of 3 cubes is a cube" equation.

(No Solution Yet, 2 Comments) Submitted on 2018-06-21 by Ady TZIDON    

Find all solutions of
(x+y^2)*(x^2+y)=(x-y)^3 .

x and y have to be non-zero integers.
(No Solution Yet, 3 Comments) Submitted on 2018-06-20 by Ady TZIDON    

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