In advanced mathematics (pitkä matematiikka), what is the slope of the normal line to the curve at the point where ?

Answer and explanation

Correct answer: B.

  1. Step 1: The tangent slope is . At , . The normal line is perpendicular, so its slope is . **Answer: . Why not the others:** is the slope of the tangent line, while and come from incorrect reciprocal calculations.

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