Friday

March 27, 2015

March 27, 2015

Posted by **DER23849** on Tuesday, January 24, 2012 at 9:44pm.

y = 7x − x2

y = 0

- calculus -
**Steve**, Wednesday, January 25, 2012 at 1:03pmV = Int(2pi*r*h dx)[0,7]

where

r = 9-x

h = y

V = 2pi*Int((9-x)(7x-x^2)dx)[0,7]

= 2pi*Int(x^3 - 16x^2 + 63x)dx [0,7]

= 2pi(1/4 x^4 - 16/3 x^3 + 63/2 x^2)[0,7]

= 2pi(2401/4 - 5488/3 + 3087/2)

= 2pi * 3773/12

= 3773/6 pi

**Answer this Question**

**Related Questions**

Math (Calculus) - Use the shell method to find the volume of the solid generated...

calculus - Use the disk or the shell method to find the volume of the solid ...

calculus - Use the shell method to set up and evaluate the integral that gives ...

Math (Calculus) - Use the shell method to set up and evaluate the integral that ...

calculus - Use the shell method to set up and evaluate the integral that gives ...

calculus - Use the disk or the shell method to find the volume of the solid ...

Calculus - Use the shell method to set up, but do not evaluate, an integral ...

Calculus - Let R be the region bounded by y=x^2, x=1, and y=0. Use the shell ...

Calculus - Let R be the region bounded by y=x^2, x=1, and y=0. Use the shell ...

Math (Calculus) - Use the disc method to find the volume of the solid generated ...