HussanAli Messages 14 Reaction score 0 Thread starter Aug 11, 2009 #1 The first equation is false whil second is true. What is reason?
Pengwuino Gold Member Messages 5,112 Reaction score 20 Aug 11, 2009 #2 http://en.wikipedia.org/wiki/Freshman's_dream hehe.
Fightfish Messages 953 Reaction score 118 Aug 11, 2009 #3 The first equation is simply wrong algebra. An easy way to illustrate this would be via a numerical example. Consider: 2 + 5 = 7 Following your first equation, you would obtain 2^2 + 5^2 = 7^2, which is clearly incorrect.
The first equation is simply wrong algebra. An easy way to illustrate this would be via a numerical example. Consider: 2 + 5 = 7 Following your first equation, you would obtain 2^2 + 5^2 = 7^2, which is clearly incorrect.