Question

Find the volume generated by revolving about the x-axis the area bounded by xy = 9, the x-axis and lines x = 3 and x=9

Answer 1

something similar to this right?

Answer 2

Yess

Answer 3

then we can integrate, or sum up the areas of circles, generated by the function from 3 to 9 i believe

Answer 4

May I please see a full work out please?

Answer 5

@ amistre64 Alright

Answer 6

\[\sum_{3}^{4}\pi[f(x)]^2\ \Delta x\]
\[\pi \int_{3}^{9}(\frac{9}{x})^2dx\]