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1. $\frac{1}{1 + i}$

A. $2 x^{2} + 2 x + 1 = 0$
B. $2 x^{2} + 2 x + 1 = 0$
C. $2 x^{2} + 2 x + 1 = 0$
D. $2 x^{2} + 2 x + 1 = 0$

Answer: Option C

Explanation:

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