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Mathematics 25 Online
OpenStudy (anonymous):

simplify i^31

OpenStudy (akshay_budhkar):

-i

OpenStudy (saifoo.khan):

-i

OpenStudy (anonymous):

-(-(-i))

OpenStudy (anonymous):

keep subtracting multiples of 4 from the power

OpenStudy (anonymous):

i^4 ( is a rotation of 360 about the origin) , each time you multiply by i you rotate 90degrees.

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