Integral for Arc Length
Which of the following integrals represents the arc length of the curve defined by y = ln(x) on the interval [1, e]?
A
∫[1,e] √(1 + x^2) dx
B
∫[1,e] √(1 + x) dx
C
∫[1,e] √(1 + (1/x)^2) dx
D
∫[1,e] √(1 + ln^2(x)) dx
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