- #1
gigi9
- 40
- 0
Can someone please help me w/ these problems below:
Find the volume generated by revolving the area abounded by x=y^2 and x=4 about
a)the line y=2
b)the line x= -1
***I tried to write out the integral not sure if it's correct:
a) V=pi* int. of (sqrt(x)^2-(2-sqrt(x))^2) dx
**integral form 0->4 ??
b) V=pi* int. from -2->2 of (4-y^2)-1^2 dy ??
If the integrals is wrong please fix it for me...Thanks!
Find the volume generated by revolving the area abounded by x=y^2 and x=4 about
a)the line y=2
b)the line x= -1
***I tried to write out the integral not sure if it's correct:
a) V=pi* int. of (sqrt(x)^2-(2-sqrt(x))^2) dx
**integral form 0->4 ??
b) V=pi* int. from -2->2 of (4-y^2)-1^2 dy ??
If the integrals is wrong please fix it for me...Thanks!