The correct answer is: 1 

L’Hospital’s rule is a general method of evaluating indeterminate forms such as 0/0 or ∞/∞. L’Hospital’s Rule tells us that if we have an indeterminate form 0/0 or $\infty /\mathrm{\infty ,}$ all we need to do is differentiate the numerator and differentiate the denominator and then take the limit.