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mathavraj
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i

Spacelimbus
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i
\[ i^2 = 1 \]
there if you multiply that by i you get
\[ i^3= i \]

myko
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(i)^3=(i)^2 *i=1*i=i

mathavraj
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you have to cube the minus also

Spacelimbus
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1 cubed is minus one.


mathavraj
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yes (i)^3 is (1*i)^3=1*i=i

Spacelimbus
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why is i^3 now suddenly i ? i^3 = i^3

mathavraj
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i wrote exactly as in the question and got i as ans in ur link

mathavraj
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because the question is,,

Spacelimbus
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oh I see where you are going, thanks.

Spacelimbus
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I should read the question more carefully. (:

mathavraj
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:)