Volume Washer Method 1


The second method to get the volume of revolution is by doing the Washer Method. The washer method applies when the solid is partially or fully hollow.

Examples covered in this video series:

1. Find the volume given by rotating the region bounded by f(x) = x +2 and g(x) = x + 1, y =0, x =0, x =5 about the x-axis
2. Find the volume of the solid formed by revolving the region bounded by the graphs y = 2x and y = x^2 about the x-axis.
3. Find the volume of the solid formed by revolving the region bounded by f(x) = e ^(x/2) + 1, y = 1, x =0 and x =4 about the x-axis.
4. Find the volume of the solid formed by revolving the region bounded by f(x) = x^3 + 2, x = 0, y = 2 about the y-axis.
4b. Find the volume of the solid formed by revolving the region bounded by y = x^3 + 2, x = 0, x = 1, y = 0 about the y axis.

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