What is the limit ?
Answer and explanation
Correct answer: A.
- Step 1: This is an indeterminate form . Apply L'Hopital's rule: differentiate numerator and denominator with respect to . . **Answer: . Why not the others:** " unit slope" neglects the derivative of being instead of ; " numerator zero" evaluates the numerator without recognizing the indeterminate form; " inverted factor" inverts the fraction, mistakenly placing in the numerator.
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