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Use the Washer Method to calculate the volume of the solid obtained by revolving the region bounded by y x - 2 y 0 and x 10 about the y-axis?
I think what they may mean is "use washers to find the volume of the solid obtained when revolving the region bounded by y=x-2, y=0, x=10 about the y-axis".
Washers:
PI*INT(10^2-(y+2)^2)dy, y=0..8
=1408PI/3
Shells:
2PI*INT(x(x-2))dx, x=2..10
=1408PI/3
what you typed made no sense. please clarify your question. what is y x - 2 y 0 and x 10 supposed to mean?! you are missing a lot of equal signs and commas
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