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simlify-the-sum-S-k-0-n-1-x-e-i2kpi-x-e-i2kpi-

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Question Number 28363 by abdo imad last updated on 24/Jan/18
simlify the sum S= Σ_(k=0) ^(n−1) ((x+ e^(i2kπ) )/(x −e^(i2kπ) )) .
simlifythesumS=∑k=0n−1x+ei2kπx−ei2kπ.
Answered by ajfour last updated on 24/Jan/18
S=((n(x+1))/(x−1)) .
S=n(x+1)x−1.

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