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Ostrovityanka [42]
3 years ago
5

Perform the indicated operation and write the results in the form a+bi

Mathematics
1 answer:
sasho [114]3 years ago
5 0

i=\sqrt{-1}\to i^2=-1\\\\i^{84}=i^{2\cdot42}=(i^2)^{42}=(-1)^{42}=1

Answer: b. 1

Used:

(a^n)^m=a^{nm}

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