An algebra problem by Akshay Sharma

Algebra Level 3

x n + 1 = x n + x n 2 1 + x n + x n 2 ; x 1 = 1 2 x_{n+1}=\frac{x_n+x_n^2}{1+x_n+x_n^2};x_1=\frac{1}{2} If { x n x_n } is a sequence of numbers such that they satisfy the recurrence relation above, then determine: 1 x 1 + 1 + 1 x 2 + 1 + 1 x 3 + 1 + . . . . . . 1 x 2012 + 1 + 1 x 2013 \frac{1}{x_1+1}+\frac{1}{x_2+1}+\frac{1}{x_3+1}+......\frac{1}{x_{2012}+1}+\frac{1}{x_{2013}}

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The answer is 2014.

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