Question

Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves about the given lines. у= 4-x2, y = 4, x= 2; revolve аbоut thе lіnе y=4 o o o

i need help with these two exercises please

Answer 1

Given y=4-n", y=4, n=2 about the line y=4 7 해 =x h-h 2' ` 1 : 2 ) ㅋ 나나 | 950 · 9 = o to 9=+ By using Shelly method the volume about the line y=cis Aly)= 2 - (y-g (height) (-) (F-9 -) where | v=f' any (F-5 -y is v = an - (9) ( ) V=2 (岩) . Ginen y= tutta from nattona 움 윭 … + + C - ) | = I+()+(-) () | = ()) ()(★) (+) - ( + ] = = " - - (-) Are length = { 1 + y de | |- Jett) ,