"l'Hôpital's rule" meaning in English

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          "ref": "1985, Frederick H. Soon, “Limits, L'Hôpital's Rule, and Numerical Methods”, in Student’s Guide to Calculus by J. Marsden and A. Weinstein, volume II, Springer-Verlag, →ISBN, section 2 (L'Hôpital's Rule), page 484:",
          "text": "Many times, the limit of an exponential form can be determined by applying l'Hôpital's rule to the logarithm of the desired function.",
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          "ref": "2005, Robert G. Mortimer, “Mathematical Functions and Differential Calculus”, in Mathematics for Physical Chemistry, 3rd edition, Elsevier, section “Limiting Values of Functions: L’Hôpital’s Rule”, page 114:",
          "text": "There are a number of applications of limits in physical chemistry, and l’Hôpital’s rule is useful in some of them.",
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          "ref": "2016, Daniel J. Velleman, “Applications of Differentiation”, in Calculus: A Rigorous First Course, Mineola, N.Y.: Dover Publications, Inc., →ISBN, section 8 (L’Hôpital’s Rule), page 262:",
          "text": "We will discuss the proof of l’Hôpital’s rule later in this section.",
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          "text": "Many times, the limit of an exponential form can be determined by applying l'Hôpital's rule to the logarithm of the desired function.",
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