Pure Mathematics
Statistics

Worked Example 3

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.

Post a comment

Leave a Comment