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# 122

Proofs - December 23, 2009
Rating: 4.4/5 (73 votes cast)
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You should do a series [heh] about being a "mathemagician".

I also found it very appropriate that I saw an ad for "WoW Gold" next to this comic.

I would use the following proof for Fermat's last theorem:
1) (...) No non-zero solution exists for n=3
2) The case of n>3 is left as an exercise for the reader.

It sure makes the proof a lot shorter. But rather harder to get published...

This is a good, but old joke: see the second one in the first row here.

Gasp! Magic! You must work in the goverment's budget office!

LMAO, I drew tiny "math fairies" on a calc test once to show how I reached an answer. For some reason, the professor marked it wrong...

I wrote this in an exam once. I could remember the first and last line of the proof, so the proof went something like:

line 1 of proof
= line 2 of proof
therefore line 3 of proof using Thm 2.3
...
magic happens!
...

Another time I ended my answer to a question with "I have a solution to this problem, but this exam is too short to explain it".

This proof should be interesting:

Prove that the nth root of 2 is irrational.

If it was rational, then (a/b)^n is equal to 2

a^n/b^n = 2

a^n = 2b^n

a^n = b^n + b^n

Fermat's last theorem proves this wrong.

Therefore, the nth root of 2 is irrational.

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