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January 2, 2012 2:23 pm at 2:23 pm
#841633
thecuriousone
Member
ultimateskier-
I think it would help you if you knew what “i” is. It is (-1)^1/2, or “the square root of -1”. If you then square “i”, the radical falls off, and you are left with -1.
((-1)^(1/2))^2 = -1