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OpenStudy (anonymous):
ah
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OpenStudy (jackellyn):
Well i^2=-1 i^4=i^(2+2)=i^2*i^2=(-1)(-1)=1 Using these two "properties" you can add up to 11 and find the answer in the same way as i^4. Can you do that?
OpenStudy (jackellyn):
i*i is -1, its the first property of imaginary numbers
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