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# Can anyone help with a calculus problem?

The problem reads:

What happens if you try to use l'Hospital's Rule to evaluate

lim(as x approaches infinity)=x / square root of (x^2+1)

Evaluate the limit using another method

### 2 Answers

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- 1 decade agoFavorite Answer
for L'Hopital just take the derivative of the top and devide it by the derivative of the bottom (don't use the quotient rule)

- Anonymous1 decade ago
f = 1/sqrt(1+1/x^2)

lim(as x approaches infinity = 1

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