Common roots of the equations \( z^{3}+2 z^{2}+2 z+1=0 \) and \( z^{2020}+z^{2018}+1=0 \), are
(...
Common roots of the equations \( z^{3}+2 z^{2}+2 z+1=0 \) and \( z^{2020}+z^{2018}+1=0 \), are
(A) \( w, w^{2} \)
(B) \( 1, w, w^{2} \)
(C) \( -1, w, w^{2} \)
(D) \( -w,-w^{2} \)
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