+0  
 
0
96
1
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i ^ { 0 } +i ^ { 1 } +i ^ { 2 } +i ^ { 3 } +i ^ { 4 } +···+i ^ { 2021 }

 Feb 18, 2023
 #1
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Using the alterating pattern of i^n, the sum works out to i.

 Feb 18, 2023

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