If \( z \) is a complex number satisfying \( z+z^{-1}=1 \) then \( z^{n}+z^{-n}, n \in N \), has... VIDEO
If \( z \) is a complex number satisfying \( z+z^{-1}=1 \) then \( z^{n}+z^{-n}, n \in N \), has the valuehttps://bit.ly/YTAI_PWAP https://www.pw.live
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