Given a sphere with radius 30cm and there is a hole of radius 3cm.
How can I complete the question in a cylindrical coordinate?
My attempt:
$Surface Area=\int{\int_D{\sqrt{f_x^2+f_y^2+1}}} dA$
I don't know how to find out the area.
2026-03-27 20:31:20.1774643480
Integrating surface area of a sphere with a cylinder “drilled” out
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