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avatar+766 

Evaluate
1 + \frac{i}{3} - \frac{1}{9} - \frac{i}{27} + \frac{1}{81},
where i is the imaginary unit.

 Mar 2, 2025
 #1
avatar+111 
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The value of the expression is

7381+2481i73 over 81 end-fraction plus 24 over 81 end-fraction i

7381+2481𝑖

 Mar 2, 2025

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