LHopitals rule applies when:

A The limit exists directly

B The limit yields an indeterminate form (0/0 or ∞/∞) and derivatives exist

C Always

D Only for polynomials

✓ Correct Answer: Option B

Lim f/g → 0/0 or ∞/∞: take lim f/g. Can be applied repeatedly if indeterminate form persists.

💡 Why is B) the correct answer?

The correct answer to the question "LHopitals rule applies when:" is Option B: The limit yields an indeterminate form (0/0 or ∞/∞) and derivatives exist.

The other options — A) The limit exists directly, C) Always, D) Only for polynomials — are incorrect for this FE Exam Prep question. As explained above: Lim f/g → 0/0 or ∞/∞: take lim f/g. Can be applied repeatedly if indeterminate form persists.

📚 About This FE Exam Prep Practice Question

This 2-level FE Exam Prep question from the Mathematics topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free FE Exam Prep practice test or use flashcards for spaced repetition review.

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LHopitals rule applies when:

✓ Correct Answer: Option B

📚 About This FE Exam Prep Practice Question

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