3 ms·

x = y / * x x2 = xy / -y2 x2 - y2 = xy - y2 / *1/(x-y) x + y = y Since x = y, 2y = y 2 = 1 1 = 0

• ori_b 17y ago
  x = y / * x x2 = xy / -y2 x2 - y2 = xy - y2 / *1/(x-y) Error: Divide by zero.
  • nico 17y ago
    ;)