Finding coordinates of the centroid

SUchica10
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Sketch the region bounded by the curves and visually estimate the location of the centroid. Then find the exact coordinates of the centroid.

y=1/x, y=0, x=1, x=2
 
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what's your definition of the centroid?
 
I am thinking it is the center of mass.
 
As robphy said, start with a definition.
 
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