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[" If "theta=(pi)/(6)" then the "10^(" t...

[" If "theta=(pi)/(6)" then the "10^(" th ")" term of the series "],[1+(cos theta+i sin theta)^(1)+(cos theta+i sin theta)^(2)+.........],[" - "1],[qquad (1)/(2)+(sqrt(3)i)/(2)]

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