System of Sums Of Powers
Algebra
Level
4
Given the following system of equations:
\[\begin{align}
x + y + z &= 1\\
x^{2} + y^{2} + z^{2} &= 2\\
x^{3} + y^{3} + z^{3} &= 3,
\end{align}\]
find the smallest positive integer value of \(n ~(> 3)\) such that \(x^{n} + y^{n} + z^{n}\) is an integer.
by
Alexandre Miquilino