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Ok so I just proved 1 = -1. Someone help me find my error.
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10-13-2005, 11:49 PM
DrPublo
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Join Date: Jan 2004
Location: Princeton, NJ
Posts: 38
Re: Ok so I just proved 1 = -1. Someone help me find my error.
[ QUOTE ]
(-1)(-1) = 1, so sqrt((-1)(-1)) = 1, but sqrt(-1)sqrt(-1) = i^2 = -1 (not 1).
[/ QUOTE ]
You just blew my mind.
What is the technical reason this proof is incorrect?
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