Let x, y, z be non-zero real numbers, such that x + y + z = 0 and the numbers
x/y + y/z + z/x and x/z + z/y + y/x + 1
are equal. Determine their common value.
The required common value is -1 (minus one).
**** Very interesting, but equally HARD! However, I will strive to arrive at an independent analytical explanation in future!!!