Welcome :: Homework Help and Answers :: Mathskey.com

Recent Visits

    
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,435 questions

17,804 answers

1,438 comments

775,016 users

The given curve is rotated about the y-axis.?

0 votes

Find the area of the resulting surface. 

y = 3 - x^2, form 0 <= x <= 2 

asked Jul 11, 2014 in PRECALCULUS by anonymous

1 Answer

0 votes

Calculate the area by using the following formula:

       x2

=  ∫  ydx

     x1

      2

   =  ∫ (3 - x^2)dx

      0

                      2

  =(3x-(x^3/3))

                     0

 =6-(8/3)

 =10/3 square units

 

Therefore, the area under curve is 10/3 square units

answered Jul 11, 2014 by bradely Mentor
edited Jul 11, 2014 by bradely

Related questions

...