You know how to use definite integrals to find areas under curves. We now take that idea for "spin" by thinking about the volumes of things created when you rotate functions around various lines.
6146_Generalizing_disk_method_around_x_axis.html
6148_Disk_method_rotation_around_horizontal_line.html
6147_Disk_method_around_y_axis.html
6150_Calculating_integral_disk_around_vertical_line.html
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