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Solve the limit

  • Thread starter sitia
  • Start date
  • #1
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Homework Statement



Solve the limit: lim n→∞ (√(n^2+1) - n)

Homework Equations





The Attempt at a Solution



I am very lost on how to start so I do not have anything
 

Answers and Replies

  • #2
Dick
Science Advisor
Homework Helper
26,258
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Multiplying by 1 in the form of (sqrt(n^2+1)+n)/(sqrt(n^2+1)+n) is probably the easiest way to go. There's other ways to do it. Try that one first.
 
  • #3
106
2
Have you tried multiplying by the conjugate?

edit: too slow.
 

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