Volumes of revolution Flashcards
1
Q
rotation around x axis
A
use y^2
2
Q
rotation around y axis
A
use x^2
3
Q
volume of a cylinder
A
pi x r^2 x h
4
Q
volume of a cone
A
1/3 x pi x r^2 x h
5
Q
rotation of parametric curve around y axis
A
use x^2 dy/dt x dt
limits are t1 and t2
6
Q
rotation of parametric curve around x axis
A
use y^2 dx/dt dt
limits are t1 and t2
7
Q
Tips for answers
A
make sure to keep in exact form with ln and pi
8
Q
A
