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+1
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avatar+86 

Simplify \(\left(\dfrac{-1+i\sqrt{3}}{2}\right)^6+\left(\dfrac{-1-i\sqrt{3}}{2}\right)^6.\)

 May 14, 2024
 #1
avatar+558 
0

By De Moivre's Theorem, this simplifies to 1 + i.

 May 26, 2024

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