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Complex numbers

0

375

1

Evaluate $i^{11} + i^{16} + i^{21} + i^{28} + i^{31}$ .

Guest Aug 20, 2021

1⁺⁰ Answers

+592

-1

$i^{11}+i^{16}+i^{21}+i^{28}+i^{31}=-i+1+i+1-i=\boxed{2-i}$

SparklingWater2 Aug 20, 2021

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