gamja
Active Member
- Joined
- Dec 14, 2022
- Messages
- 117
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- Undisclosed
- HSC
- 2023
a) Sketch a graph of the circle (x-3)^2 + y^2 = 1. [straightforward]
b) The region inside the circle is rotated about the y-axis. Show that the volume of the solid formed is given by (x-3)^2 + y^2 = 1 and evaluate the integral.
[I'm not sure what it means by ' Show that the volume of the solid formed is given by (x-3)^2 + y^2 = 1'; and also how to solve volume integral by subtraction if inner area isn't a nice function]
b) The region inside the circle is rotated about the y-axis. Show that the volume of the solid formed is given by (x-3)^2 + y^2 = 1 and evaluate the integral.
[I'm not sure what it means by ' Show that the volume of the solid formed is given by (x-3)^2 + y^2 = 1'; and also how to solve volume integral by subtraction if inner area isn't a nice function]