Project Euler > Problem 180 > Rational zeros of a function of three variables. (Java Solution)

Problem:

For any integer n, consider the three functions

f1,n(x,y,z) = xn+1 + yn+1 [−] zn+1
f2,n(x,y,z) = (xy + yz + zx)*(xn-1 + yn-1 [−] zn-1)
f3,n(x,y,z) = xyz*(xn-2 + yn-2 [−] zn-2)

and their combination

fn(x,y,z) = f1,n(x,y,z) + f2,n(x,y,z) [−] f3,n(x,y,z)

We call (x,y,z) a golden triple of order k if x, y, and z are all rational numbers of the form a / b with
0 [<] a [<] b [≤] k and there is (at least) one integer n, so that fn(x,y,z) = 0.

Let s(x,y,z) = x + y + z.
Let t = u / v be the sum of all distinct s(x,y,z) for all golden triples (x,y,z) of order 35.
All the s(x,y,z) and t must be in reduced form.

Find u + v.

Solution:

443839

Code:
The solution may include methods that will be found here: Library.java .

public interface EulerSolution{

public String run();

}

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