Скачать или смотреть Challenge 88: 1/n and Square Roots

Correction: I should have stated that x_n is chosen to be positive for all n. I apologize for the error. Thank you, Zain Majumder, for notifying me!

Congratulations to Serengeti Ghasa, santosh tripathy, Minh Cong Nguyen, dev gupta, Dan Bollows, Evyatar Baranga, and Viraj Agrawal for successfully solving the last week's math challenge question! Serengeti Ghasa was the first person to solve the question.

Welcome, everyone! LetsSolveMathProblems presents one weekly math challenge problem every Wednesday (continental U.S. time). To participate, please comment your proposed answer and explanation below (or discuss potential solutions with other viewers), keeping in mind that your comment should be left unedited to win the recognition prize. Up to the first ten people with correct solutions are recognized in the next challenge video. The solution to a challenge problem is posted as a separate video the following Wednesday.

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