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Mathematics 11 Online
OpenStudy (anonymous):

i^99-i^3 is?

OpenStudy (primeralph):

What is the remainder 99/4?

OpenStudy (kc_kennylau):

\[i^1=i,i^2=-1,i^3=-i,i^4=1,...\]

OpenStudy (kc_kennylau):

i^1=i, i^2=-1, i^3=-i, i^4=1, i^5=i, and here we start again

OpenStudy (primeralph):

i^99 = i^( remainder of 99/4).

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