z + z^{-1 }=1 , then find the value of z^{100} + z^{-100 – InterviewSolution

1.	z + z^{-1 }=1 , then find the value of z^{100} + z^{-100
Answer» z + z^{-1 }=1 , then find the value of z^{100} + z^{-100

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