Asked by Tii
I'm asked to find the volume of the solid bounded by the curves x=1+y^2 and y=x-3, rotated about the y-axis.
I have a general idea of how to start the problem off, but I'm not sure how to find the interval that I need to work with...
I have a general idea of how to start the problem off, but I'm not sure how to find the interval that I need to work with...
Answers
Answered by
Marth
First put each equation in the form x= .
There should be two intersections between the two equations, which will define the bounded area.
There should be two intersections between the two equations, which will define the bounded area.
Answered by
Tii
Okay, so when I write the integral, is it in terms of x or y?
Answered by
Marth
It should be in terms of y, because you are rotating around the x axis. (That's why you have the form x = ).
Answered by
Marth
*I meant y axis
Answered by
Tii
Okay, that makes more sense now. Thanks so much!
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