In Exercises 5558, use the Shell Method to find the given volume of rotation. The torus
Chapter 6, Problem 57(choose chapter or problem)
In Exercises 5558, use the Shell Method to find the given volume of rotation. The torus obtained by rotating the circle (x a)2 + y2 = b2 about the y-axis, where a>b (compare with Exercise 56 in Section 6.3). Hint: Evaluate the integral by interpreting part of it as the area of a circle.
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