Re: Ok so I just proved 1 = -1. Someone help me find my error.
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Maybe you can't use -1/i instead of i algebraicly as you have.
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-1/i = i. Try multiplying through by i.
The Doc
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I know they're equivalent, thanks. In other news 4/2=2.
I'm sure an elementary search of a place like wikipedia will tell you why you can't deal with i as you have.
I've told you what I know and I'm not going to search for the answer for you. I might know, but I just don't deal with a imaginary numbers very often in daily life.
I was thinking what the other poster was thinking about there being positive and negative square roots being the issue, but since no operations were performed taking a sqaure root of a number, I don't think it applies here. It's not like that lame proof that 1+1=1.
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