Daffodil International University

Educational => Mathematics => Interesting Maths => Topic started by: shirin.ns on March 30, 2014, 11:18:30 PM

Title: 2=1!!!
Post by: shirin.ns on March 30, 2014, 11:18:30 PM

Let   a   =   b
Multiply both sides by a:   a²   =   ab
Add a² - 2ab:   a² + a² - 2ab   =   ab + a² - 2ab
Simplify:   2(a² - ab)   =   a² - ab
Divide by a² - ab:   2   =   1

Oops!

What went wrong? It's the line which tells you to divide by a² - ab. Since a = b, you have divided by zero, and this leads to the final incorrect statement.

Title: Re: 2=1!!!
Post by: Mosammat Arifa Akter on March 31, 2014, 02:42:40 PM

its very interesting

Title: Re: 2=1!!!
Post by: smriti.te on November 22, 2016, 12:43:23 AM

Good post...