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Mathematics 20 Online
OpenStudy (anonymous):

x_n = √(n+1) - √(n). Use the squeeze theorem to show that {√(n).x_n} is convergent. I can find out that the limit is 0.5 just by substituting numbers in, but cannot find a function similar to this that is greater than or equal to, or less than or equal to √n . xn in order to use the squeeze theorem.

OpenStudy (anonymous):

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