If \theta=\frac{\pi}{6}, then the 10 th term of 1+(\cos \theta+i \sin \theta)+(\cos \theta+i \sin \theta)^2 +(\cos \theta+i \sin \theta)^3+. . . is equal to

EAMCET Engineering 2001 Solved Paper

Section: Mathematics

Question : 189 of 200

Marks: +1, -0

If θ=‌

, then the 10 th term of 1+(cos‌θ+isin‌θ)+(cos‌θ+isin‌θ)2 +(cos‌θ+isin‌θ)3+... is equal to

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