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Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
i \[ i^2 = 1 \] there if you multiply that by i you get \[ i^3= i \]
 2 years ago

myko Group TitleBest ResponseYou've already chosen the best response.0
(i)^3=(i)^2 *i=1*i=i
 2 years ago

mathavraj Group TitleBest ResponseYou've already chosen the best response.1
you have to cube the minus also
 2 years ago

Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
1 cubed is minus one.
 2 years ago

Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
http://www.wolframalpha.com/input/?i=i%5E%283%29
 2 years ago

mathavraj Group TitleBest ResponseYou've already chosen the best response.1
yes (i)^3 is (1*i)^3=1*i=i
 2 years ago

Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
why is i^3 now suddenly i ? i^3 = i^3
 2 years ago

mathavraj Group TitleBest ResponseYou've already chosen the best response.1
i wrote exactly as in the question and got i as ans in ur link
 2 years ago

mathavraj Group TitleBest ResponseYou've already chosen the best response.1
because the question is,,
 2 years ago

Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
oh I see where you are going, thanks.
 2 years ago

Spacelimbus Group TitleBest ResponseYou've already chosen the best response.0
I should read the question more carefully. (:
 2 years ago
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