latentcorpse
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i've confused myself
\frac{1}{i}=-i by multiplying by i/i
but then (\frac{1}{i})^2=-1 \Rightarrow \frac{1}{i}= i,-i
and clearly the positive root here doesn't make any sense?
\frac{1}{i}=-i by multiplying by i/i
but then (\frac{1}{i})^2=-1 \Rightarrow \frac{1}{i}= i,-i
and clearly the positive root here doesn't make any sense?