Let fx1x 1 Determine the volume obtained by rotating the ar

Let f(x)=1/x .

1. Determine the volume obtained by rotating the area under f for x%u22651 about the x- axis.

2. Determine the surface area obtained by rotating the arc of f for x%u22651 about the x- axis.

Use Trigonometric Substitution you should end up with:

Solution

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