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 A flawed proof? (Posted on 2002-12-20)
Given: a=b. Applying some basic identity transformations, we get:
```       a=b
a^2-ab=a^2-b^2
a(a-b)=(a+b)(a-b)
a=a+b
a=a+a
a=2a
1=2```
With such a proof, we can show that 1=2, pi=E, 10000000000000=1, etc.... Can you spot the flaw?

 See The Solution Submitted by phil Rating: 2.9167 (12 votes)

 Subject Author Date Solution To The Problem K Sengupta 2007-03-20 12:24:44 iseeit. dorkdork 2003-08-02 22:09:49 Solution rajesh 2003-06-30 21:11:55 No no michael 2003-04-12 04:31:45 Not really Gamer 2003-04-11 09:52:01 No Subject N__A__T__A 2003-01-03 07:42:18 1st post, correct solution (i think) Aim Jayy 2002-12-25 22:11:06 Solution Jen 2002-12-25 10:51:33 Solution Gautam Joshi 2002-12-23 14:18:27 solution ananth 2002-12-21 17:10:22 re(2): A flawed proof? ( Solution ) Ravi Raja 2002-12-21 07:21:16 re: A flawed proof? ( Solution ) Dulanjana 2002-12-21 05:56:58 A flawed proof? ( Solution ) Ravi Raja 2002-12-20 19:14:19

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