Question

Find the volume of the solid formed when the area bound by the curve y=4-x^2 and the x axis is rotated one complete revolution about the y axis

Answer 1

first find the critical points and use integration

Answer 2

or just consider one side of it

Answer 3

can you just tell me the answer , because i am getting the wrong answer. I got 16 pi units but the answer is 8 pi units and i don't know where i went wrong.

Answer 4

*units ^3

Answer 5

please dont ask for "just an answer"

Answer 6

this can be done by shells or disks; which way are you most comfortable with?

Answer 7

i think i know why youre twice as big as the answer; your prolly integrating the whole thing across