Thursday

April 2, 2015

April 2, 2015

Posted by **Hannah** on Tuesday, May 21, 2013 at 4:52pm.

1) Find the volume of the solid formed when the region bounded by curves y=x^3 + 1, x= 1, and y=0 is rotated about the x-axis.

My answer is 23/14.

2) Find the volume of the solid of revolution obtained by revolving the region bounded by y=1/x and the lines x=pi/8 and x=pi/2 around the x-axis.

I got 6/pi for this one.

3) Find the area bounded by the curves f(x)= x^3 + x^2 and g(x)= 2x^2 + 2x.

My answer: 5/12

Can you tell me if I did them wrong, and if I did do them wrong what I Did wrong?

- Calculus -
**Anonymous**, Wednesday, October 1, 2014 at 11:37pmFind the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis.

x+y=4,x=5−(y−1) 2 ;

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