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Find all solutions x (real and otherwise) to the equation x^4 + 64 = 0

 

 

Thank you so much!
 

 
 Sep 8, 2021
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By DeMoivre's Theorem, the solutions are 1 + sqrt(3)*i, 1 - sqrt(3)*i, -1 + sqrt(3)*i, -1 - sqrt(3)*i.

 
 Sep 8, 2021

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