3 = √x + √y + √z, 3 = x√x + y√y + z√z, 3 = x2√x + y2√y + z2√z.
3 + 3 - 2(3) = (1 + x2 - 2x)√x + (1 + y2 - 2y)√y + (1 + z2 - 2z)√z or (x - 1)2√x + (y - 1)2√y + (z - 1)2√z = 0
(x - 1)2√x = (y - 1)2√y = (z - 1)2√z = 0
blackjack
flooble's webmaster puzzle