Question 137
a) Determine if there exist positive integer numbers $x, y, z$ such that
$$
2016 = x^3 + y^3 + z^3?
$$
b) Determine if there exist positive integer numbers $x, y, z, t$ such that
$$
2016 = x^3 + y^3 + z^3 + t^3?
$$
$$
2016 = x^3 + y^3 + z^3?
$$
b) Determine if there exist positive integer numbers $x, y, z, t$ such that
$$
2016 = x^3 + y^3 + z^3 + t^3?
$$