Let b=a | |
ab=a2 | multiply both sides by a |
ab-b2=a2-b2 | subtract b2 from both sides |
b(a-b)=(a+b)(a-b) | factor |
b=a+b | divide both sides by (b-a) |
b=2b | substitute a=b |
1=2 | divide both sides by b |
QED (Quite Easily Done) | ;) |
Zachary Miller
Last modified: Tue Nov 30 02:03:57 1999