(Technology Permitted) Let R be the region. bounded by y=In(x), y=0, x=e². a. Write but do not evaluate an integral expression for the area of region R. b. What is the volume of the solid generated when R is rotated around the y axis? c. Cross sections taken perpendicular to the y-axis are semicircles with diameter in region R. What is the volume of the solid?

Advanced Engineering Mathematics
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(Technology Permitted) Let R be the region
bounded by y = In(x), y=0, x=e².
a. Write but do not evaluate an integral
expression for the area of region R.
b. What is the volume of the solid generated
when R is rotated around the y axis?
c. Cross sections taken perpendicular to
the y-axis are semicircles with diameter in
region R. What is the volume of the solid?
Transcribed Image Text:(Technology Permitted) Let R be the region bounded by y = In(x), y=0, x=e². a. Write but do not evaluate an integral expression for the area of region R. b. What is the volume of the solid generated when R is rotated around the y axis? c. Cross sections taken perpendicular to the y-axis are semicircles with diameter in region R. What is the volume of the solid?
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