In advanced mathematics (pitkä matematiikka), what is the value of ?

Answer and explanation

Correct answer: B.

  1. Step 1: Direct substitution yields . Applying L'Hôpital's rule once gives , which is still . Applying L'Hôpital's rule a second time gives . **Answer: . Why not the others:** stops after one derivative step without dividing by , while and result from invalid arithmetic.

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