In the sequence of positive numbers $x_1, x_2, x_3, \ldots,$ what is the value of $x_1?$

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Vincen: Legendary Member; Posts: 2898; Joined: Thu Sep 07, 2017 2:49 pm; Thanked: 6 times; Followed by:5 members

In the sequence of positive numbers $x_1, x_2, x_3, \ldots,$ what is the value of $x_1?$

by Vincen » Thu Jan 27, 2022 12:48 pm

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In the sequence of positive numbers $x_1, x_2, x_3, \ldots,$ what is the value of $x_1?$

(1) $x_i=\dfrac{x_{i-1}}2$ for all integers $i>1.$

(2) $x_5=\dfrac{x_4}{x_4+1}$

Answer: C

Source: GMAT Prep

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