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Set Up, but Do Not Evaluate, an Integral for the Area

Question 2

Multiple Choice

Set up, but do not evaluate, an integral for the area of the surface obtained by rotating the curve y=lnx5y = \ln x ^ { 5 } about the xx -axis on the interval 1x51 \leq x \leq 5 .


A)
512πxln(x) 1+(5x) 2dx\int _ { 5 } ^ { 1 } 2 \pi x \ln ( x ) \sqrt { 1 + \left( \frac { 5 } { x } \right) ^ { 2 } } d x
B)
512π1+(5x) 2dx\int _ { 5 } ^ { 1 } 2 \pi \sqrt { 1 + \left( \frac { 5 } { x } \right) ^ { 2 } } d x
C)
152π(5ln(x) ) 1+(5x) 2dx\int _ { 1 } ^ { 5 } 2 \pi ( 5 \ln ( x ) ) \sqrt { 1 + \left( \frac { 5 } { x } \right) ^ { 2 } } d x
D)
512π(5x) 1+(5x) 2dx\int _ { 5 } ^ { 1 } 2 \pi ( 5 x ) \sqrt { 1 + \left( \frac { 5 } { x } \right) ^ { 2 } } d x
E)
152π(5x) 1+(5x) 2dx\int _ { 1 } ^ { 5 } 2 \pi ( 5 x ) \sqrt { 1 + \left( \frac { 5 } { x } \right) ^ { 2 } } d x

Correct Answer:

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