Sujet: faulty proof
Un article trouvé pour ce sujet.
Question:
(x2-x2) = (x2-x2) x(x-x) = (x+x)(x-x) [divide both sides by (x-x)] x = x + x x = 2x [divide both sides by x] 2 = x/x = 1
Where is the flaw in this problem?
