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Mathematics 20 Online
OpenStudy (anonymous):

the region bounded by y=sqrt x, x = 4 , y = 0 , revolved about line y = 6 , using shell method

OpenStudy (anonymous):

i got int 2pi (6-y) (0-y^2) dy , 0 to 2

OpenStudy (anonymous):

but im getting a negative answer

OpenStudy (anonymous):

maybe its int 2pi (6-y) (4-y^2) dy

OpenStudy (watchmath):

yes the last one is correct and we integrate from 0 to 2

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