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OpenStudy (anonymous):
a region is bounded by the curve y=x^2+2, x=1, x=2 and the x-axis. sketch the region and find the volume of the solid obtained by rotating the region about the x-axis by using disk method
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OpenStudy (kc_kennylau):
Find the area of the region first :)
OpenStudy (kc_kennylau):
\[A_R=\int_1^2(x^2+2)dx\]
OpenStudy (anonymous):
can you help me on the sketching the graph?
OpenStudy (kc_kennylau):
|dw:1388909245900:dw|
OpenStudy (anonymous):
|dw:1388909069858:dw|
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