Region [latex]A[/latex] is bounded by [latex]y=\sqrt{x}[/latex], [latex]y[/latex]-axis and [latex]y=2-{{x}^{2}}[/latex].
Region [latex]B[/latex] is bounded by [latex]y=\sqrt{x}[/latex], [latex]x[/latex]-axis and [latex]y=2-{{x}^{2}}[/latex].
Find
(i)
volume of [latex]A[/latex] rotated through [latex]2\pi [/latex] about [latex]y[/latex]-axis;
(ii)
volume of [latex]B[/latex] rotated through [latex]2\pi [/latex] about [latex]x[/latex]-axis;
(iii)
volume of [latex]B[/latex] about through [latex]2\pi [/latex][latex]y[/latex]-axis.