cinelewis3574 cinelewis3574

29-12-2023
Mathematics

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If z is a complex number satisfying the equation z⁶ +z³+1=0. If this equation has a root reiθ with 90∘<0<180∘ then the value of θ is
A. 100∘
B. 110∘
C. 160∘
D. 170∘

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