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OpenStudy (johan14th):

Volume using the washer method. Help is needed please. Y=2x x limits y=0 x=3 revolve around x=4

OpenStudy (johan14th):

So I know that this is going to be dy and use the (pi)(outher)^2-(inner)^2. I have the outher equation (4-(y/2)), however I need help with the inside would it be empty, 0, 4-3.

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