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Posts Tagged ‘Mathematical proof’


did-you-know-that-21

November 18th, 2008

by Valentin in Math fun

Did You Know That… 2=1?

No, this is not a commercial of any kind (trying to convince you that if you buy 1 you will get 2)! This is just a mathematical proof that 2=1. I remember that my math teacher in high school first showed me this. I was quite impressed! A few days ago I randomly encountered the proof and recalled it. Here it is:









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