AP Calculus BC Question 268: Answer and Explanation

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Question: 268

6. Find the length of the curve y = ln x between the points where and y = 1.

  • A. 0.53
  • B. 0.86
  • C. 1.18
  • D. 1.36

Correct Answer: C


(C) The endpoints of the arc are and (e,1). The arc length is given by