Calculus AB/BC - 8.11 Washer Method: Revolving Around the x- or y-Axis

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[@sullio9402]

thank you so much for doing unit 8 - i just went through your whole playlist and everything is completely clear!!

[@tysenworkman6738]

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[@tyhansen7815]

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[@eloisecarcini1280]

Thank you so much! It makes so much sense now!

[@TheAlgebros]

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[@kamilamohamed284]

thnks

[@mathewhuynh84]

2:43 ONE PICE

[@kabokoloi5484]

Was 5 and 1 choose randomly cause if I try find the y intercepts its 2 and 1

[@TheAlgebros]

For that 2nd problem, we are revolving the area around the y-axis, so the boundaries of integration have to be the smallest y-value to the largest y-value of the area. The smallest y-value is 1, and the largest y-value is 5. If you look at the picture (8:23), you can see that bottom of the solid is at 1, and the top of the solid is at 5.

[@Mulusewwase]

i don't understand why you take 1 and 5

[@pablosantanadeoliveira9284]

Very noice